QA catalogue for analysing library data

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number of records: 3,303,174     last data update: 2026-10-12 22:15     timestamp of analysis: 2026-10-12 21:47:31 (00:16:08)

Violations of record format specification

Conformity with the bibliographic metadata scheme. Accuracy is the degree to which the catalogue records conform to the syntax, the semantics, the rules and guidelines of the metadata schema (including the locally defined data elements). For those metadata fields which are not defined in the metadata schema's available documentation the tool is not able to decide if the data are correct or not. The page gives an overview and details of the captured issues. The user can check each individual records haveing a particular problem, and download their identifiers.

records without issues
with
 
1,878,562 (56.87%)
1,424,612 (43.13%)

excluding undefined field issues

records without issues
with
 
1,881,203 (56.95%)
1,421,971 (43.05%)
instances records %
record level issues 370 354
 
0.01
undetectable type (6 variants) [+] 338 338
 
0.01
data element message
Leader Leader/06 (typeOfRecord): 'a', Leader/07 (bibliographicLevel): ' ' 1 1
 
0.00
Leader Leader/06 (typeOfRecord): ' ', Leader/07 (bibliographicLevel): 'm' 1 1
 
0.00
Leader Leader/06 (typeOfRecord): ' ', Leader/07 (bibliographicLevel): 'b' 3 3
 
0.00
Leader Leader/06 (typeOfRecord): ' ', Leader/07 (bibliographicLevel): ' ' 6 6
 
0.00
Leader Leader/06 (typeOfRecord): ' ', Leader/07 (bibliographicLevel): 's' 8 8
 
0.00
Leader Leader/06 (typeOfRecord): '0', Leader/07 (bibliographicLevel): '0' 319 319
 
0.01
count: 6 | list all | grouped by tag
invalid linkage (7 variants) [+] 32 16
 
0.00
data element message
880 Unparseable reference: '246-01$1' 2 1
 
0.00
880 Unparseable reference: '264-01(S' 2 1
 
0.00
880 Unparseable reference: '245/01(N' 2 1
 
0.00
880 Unparseable reference: '245-01(3' 2 1
 
0.00
880 Unparseable reference: '246-02(3' 2 1
 
0.00
880 Unparseable reference: '245-01(N' 6 3
 
0.00
880$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 16 8
 
0.00
count: 7 | list all | grouped by tag
control field level issues 717,363 295,450
 
8.94
obsolete code (4 variants) [+] 22,033 22,033
 
0.67
data element message
Leader/17 (leader17) 0 551 551
 
0.02
008/33 (008book33) c 839 839
 
0.03
008/34 (008visual34) " " 1,951 1,951
 
0.06
008/33 (008book33) " " 18,692 18,692
 
0.57
count: 4 | list all | grouped by tag
invalid code (145 variants) [+] 100,652 58,555
 
1.77
data element message
008/18-21 (008book18) 'u' in 'undm' 1 1
 
0.00
008/18-21 (008book18) 'n' in 'undm' 1 1
 
0.00
008/18-21 (008book18) 'r' in 'crkd' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 's1529|'. Text 's1529|' could not be parsed at index 0 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'IIIIII'. Text 'IIIIII' could not be parsed at index 0 1 1
 
0.00
006/01-04 (006book01) 's' in 'sgu ' 1 1
 
0.00
006/01-04 (006book01) 'u' in 'sgu ' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '125123'. Text '125123' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 51 1 1
 
0.00
008/18-21 (008book18) 'r' in 'ger ' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '188601'. Text '188601' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 86 1 1
 
0.00
008/00-05 (008all00) Invalid content: '175801'. Text '175801' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 58 1 1
 
0.00
008/00-05 (008all00) Invalid content: '(d)|||'. Text '(d)|||' could not be parsed at index 0 1 1
 
0.00
008/30-31 (008music30) '_' in 'p_' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'd19721'. Text 'd19721' could not be parsed at index 0 1 1
 
0.00
008/18-21 (008book18) '_' in '||_p' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '201809'. Text '201809' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 18 1 1
 
0.00
008/00-05 (008all00) Invalid content: '454545'. Text '454545' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 45 1 1
 
0.00
006/07-10 (006book07) 'h' in ' h ' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'c20209'. Text 'c20209' could not be parsed at index 0 1 1
 
0.00
008/00-05 (008all00) Invalid content: '978907'. Text '978907' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 89 1 1
 
0.00
008/00-05 (008all00) Invalid content: '121619'. Text '121619' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 16 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'xxxxxx'. Text 'xxxxxx' could not be parsed at index 0 1 1
 
0.00
008/18-21 (008book18) 'u' in 'mul|' 1 1
 
0.00
008/18-21 (008book18) 'w' in 'wzkf' 1 1
 
0.00
008/18-21 (008book18) 'z' in 'wzkf' 1 1
 
0.00
008/18-21 (008book18) 'u' in 'butp' 1 1
 
0.00
008/18-21 (008book18) 't' in 'butp' 1 1
 
0.00
008/18-21 (008book18) 'r' in 'brep' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '125521'. Text '125521' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 55 1 1
 
0.00
008/24-29 (008music24) '0' in '|||| 0' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '202011'. Text '202011' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 20 1 1
 
0.00
008/00-05 (008all00) Invalid content: '201901'. Text '201901' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 19 1 1
 
0.00
008/00-05 (008all00) Invalid content: '978900'. Text '978900' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 89 1 1
 
0.00
006/01-04 (006book01) '0' in '050 ' 2 1
 
0.00
006/01-04 (006book01) '5' in '050 ' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '201915'. Text '201915' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 19 1 1
 
0.00
008/18-21 (008map18) 'r' in 'fre|' 1 1
 
0.00
008/00-05 (008all00) Invalid content: ' 20020'. Text ' 20020' could not be parsed at index 0 1 1
 
0.00
008/24-27 (008book24) 'h' in 'h|||' 1 1
 
0.00
008/18-21 (008book18) 'u' in 'undp' 1 1
 
0.00
008/18-21 (008book18) 'n' in 'undp' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '978904'. Text '978904' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 89 1 1
 
0.00
008/18-21 (008book18) 'n' in ' ndm' 1 1
 
0.00
008/18-21 (008book18) '_' in 'a|_p' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 's1914|'. Text 's1914|' could not be parsed at index 0 1 1
 
0.00
008/18-21 (008book18) 'u' in 'u p' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '25 min'. Text '25 min' could not be parsed at index 2 1 1
 
0.00
008/00-05 (008all00) Invalid content: '214016'. Text '214016' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 40 1 1
 
0.00
008/18-21 (008book18) 'n' in ' nd|' 1 1
 
0.00
008/18-21 (008book18) 'u' in 'u||p' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '759720'. Text '759720' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 97 1 1
 
0.00
008/18-21 (008book18) 'r' in 'fr|p' 1 1
 
0.00
006/01-04 (006book01) 'u' in 'munn' 1 1
 
0.00
006/01-04 (006book01) 'n' in 'munn' 2 1
 
0.00
008/18-21 (008book18) 'q' in 'q|_p' 1 1
 
0.00
008/18-21 (008book18) '_' in 'q|_p' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '201903'. Text '201903' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 19 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'd19942'. Text 'd19942' could not be parsed at index 0 1 1
 
0.00
008/00-05 (008all00) Invalid content: ' 2020'. Text ' 2020' could not be parsed at index 0 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'd20122'. Text 'd20122' could not be parsed at index 0 1 1
 
0.00
008/18-21 (008book18) 'r' in 'ger|' 1 1
 
0.00
008/18-21 (008book18) 't' in 'tndp' 1 1
 
0.00
008/18-21 (008book18) 'n' in 'tndp' 1 1
 
0.00
008/18-21 (008book18) 't' in 't p' 1 1
 
0.00
008/00-05 (008all00) Invalid content: '222223'. Text '222223' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 22 1 1
 
0.00
008/00-05 (008all00) Invalid content: '201709'. Text '201709' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 17 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'c20179'. Text 'c20179' could not be parsed at index 0 1 1
 
0.00
008/00-05 (008all00) Invalid content: '978946'. Text '978946' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 89 2 2
 
0.00
008/00-05 (008all00) Invalid content: 's9999|'. Text 's9999|' could not be parsed at index 0 2 2
 
0.00
008/30-31 (008music30) '1' in ' 1' 2 2
 
0.00
008/00-05 (008all00) Invalid content: 's1520|'. Text 's1520|' could not be parsed at index 0 2 2
 
0.00
008/00-05 (008all00) Invalid content: 'c20149'. Text 'c20149' could not be parsed at index 0 2 2
 
0.00
008/00-05 (008all00) Invalid content: '202102'. Text '202102' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 21 2 2
 
0.00
008/00-05 (008all00) Invalid content: '201906'. Text '201906' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 19 2 2
 
0.00
008/18-21 (008book18) '_' in ' |_p' 2 2
 
0.00
008/00-05 (008all00) Invalid content: 'c20199'. Text 'c20199' could not be parsed at index 0 2 2
 
0.00
008/18-21 (008book18) 'w' in 'wr||' 2 2
 
0.00
008/18-21 (008book18) 'r' in 'wr||' 2 2
 
0.00
008/00-05 (008all00) Invalid content: '202210'. Text '202210' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 22 2 2
 
0.00
008/00-05 (008all00) Invalid content: 'c20189'. Text 'c20189' could not be parsed at index 0 2 2
 
0.00
008/18-21 (008book18) 'q' in 'qndp' 2 2
 
0.00
008/18-21 (008book18) 'n' in 'qndp' 2 2
 
0.00
008/18-21 (008book18) '_' in 'b|_p' 2 2
 
0.00
008/00-05 (008all00) Invalid content: '202010'. Text '202010' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 20 2 2
 
0.00
008/18-21 (008book18) 'z' in 'z p' 2 2
 
0.00
008/24-27 (008book24) '\' in '||\|' 3 3
 
0.00
008/00-05 (008all00) Invalid content: '000000'. Text '000000' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 0 3 3
 
0.00
008/00-05 (008all00) Invalid content: '201912'. Text '201912' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 19 3 3
 
0.00
008/00-05 (008all00) Invalid content: '978940'. Text '978940' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 89 3 3
 
0.00
008/18-21 (008book18) 's' in 's||p' 3 3
 
0.00
008/00-05 (008all00) Invalid content: '123456'. Text '123456' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 34 3 3
 
0.00
008/24-27 (008book24) '0' in ' 0||' 3 3
 
0.00
008/18-21 (008book18) 'w' in 'w||p' 3 3
 
0.00
008/00-05 (008all00) Invalid content: '202008'. Text '202008' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 20 3 3
 
0.00
008/00-05 (008all00) Invalid content: '021420'. Text '021420' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 14 3 3
 
0.00
008/18-21 (008book18) 'q' in 'q||p' 4 4
 
0.00
008/18-21 (008book18) '_' in 'm|_p' 4 4
 
0.00
008/00-05 (008all00) Invalid content: '202001'. Text '202001' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 20 4 4
 
0.00
008/18-21 (008book18) '_' in ' |_m' 4 4
 
0.00
008/33-34 (008map33) 'u' in 'un' 4 4
 
0.00
count: 145 | [1] [2] | grouped by tag
invalid value (202 variants) [+] 594,678 266,382
 
8.06
data element message
005 The field value does not match the expected pattern in '20151206' 1 1
 
0.00
005 invalid hour: null in '20151206' 1 1
 
0.00
005 The field value does not match the expected pattern in '20180604' 1 1
 
0.00
005 invalid hour: null in '20180604' 1 1
 
0.00
008/34 (008visual34) 1 1
 
0.00
008/39 (008all39) f 1 1
 
0.00
005 The field value does not match the expected pattern in '20180201' 1 1
 
0.00
005 invalid hour: null in '20180201' 1 1
 
0.00
005 The field value does not match the expected pattern in '20230320' 1 1
 
0.00
005 invalid hour: null in '20230320' 1 1
 
0.00
005 The field value does not match the expected pattern in '20170927' 1 1
 
0.00
005 invalid hour: null in '20170927' 1 1
 
0.00
008/19 (008continuing19) e 1 1
 
0.00
008/29 (008book29) _ 1 1
 
0.00
008/19 (008continuing19) 1 1
 
0.00
008/18-19 (008music18) fr 1 1
 
0.00
008/29 (008continuing29) m 1 1
 
0.00
008/21 (008continuing21) a 1 1
 
0.00
005 The field value does not match the expected pattern in '20181203' 1 1
 
0.00
005 invalid hour: null in '20181203' 1 1
 
0.00
005 The field value does not match the expected pattern in '20160430' 1 1
 
0.00
005 invalid hour: null in '20160430' 1 1
 
0.00
005 The field value does not match the expected pattern in '20200309' 1 1
 
0.00
005 invalid hour: null in '20200309' 1 1
 
0.00
005 The field value does not match the expected pattern in '20121221' 1 1
 
0.00
005 invalid hour: null in '20121221' 1 1
 
0.00
005 The field value does not match the expected pattern in '20170809' 1 1
 
0.00
005 invalid hour: null in '20170809' 1 1
 
0.00
005 The field value does not match the expected pattern in '20190220' 1 1
 
0.00
005 invalid hour: null in '20190220' 1 1
 
0.00
005 The field value does not match the expected pattern in '20201127' 1 1
 
0.00
005 invalid hour: null in '20201127' 1 1
 
0.00
005 The field value does not match the expected pattern in '20150902' 1 1
 
0.00
005 invalid hour: null in '20150902' 1 1
 
0.00
005 The field value does not match the expected pattern in '20130827' 1 1
 
0.00
005 invalid hour: null in '20130827' 1 1
 
0.00
005 The field value does not match the expected pattern in '1' 1 1
 
0.00
005 invalid month: null in '1' 1 1
 
0.00
005 The field value does not match the expected pattern in '20230316' 1 1
 
0.00
005 invalid hour: null in '20230316' 1 1
 
0.00
008/29 (008book29) 1 1
 
0.00
008/18-20 (008visual18) fre 1 1
 
0.00
005 The field value does not match the expected pattern in '20180627' 1 1
 
0.00
005 invalid hour: null in '20180627' 1 1
 
0.00
005 The field value does not match the expected pattern in '20190828' 1 1
 
0.00
005 invalid hour: null in '20190828' 1 1
 
0.00
008/18-19 (008music18) au 1 1
 
0.00
008/18-19 (008music18) ac 1 1
 
0.00
008/21 (008music21) h 1 1
 
0.00
005 The field value does not match the expected pattern in '20190711' 1 1
 
0.00
005 invalid hour: null in '20190711' 1 1
 
0.00
005 The field value does not match the expected pattern in '20180821150632' 1 1
 
0.00
005 The field value does not match the expected pattern in 'Blogie VII, 3' 1 1
 
0.00
005 invalid year: Blog in 'Blogie VII, 3' 1 1
 
0.00
005 invalid month: ie in 'Blogie VII, 3' 1 1
 
0.00
005 invalid day: V in 'Blogie VII, 3' 1 1
 
0.00
005 invalid hour: II in 'Blogie VII, 3' 1 1
 
0.00
005 invalid min: , in 'Blogie VII, 3' 1 1
 
0.00
005 invalid month: null in 'Blogie VII, 3' 1 1
 
0.00
005 The field value does not match the expected pattern in '20190518' 1 1
 
0.00
005 invalid hour: null in '20190518' 1 1
 
0.00
005 The field value does not match the expected pattern in '20190221' 1 1
 
0.00
005 invalid hour: null in '20190221' 1 1
 
0.00
006/16 (006book16) v 1 1
 
0.00
006/17 (006book17) l 1 1
 
0.00
005 The field value does not match the expected pattern in '20190709' 1 1
 
0.00
005 invalid hour: null in '20190709' 1 1
 
0.00
008/38 (008all38) f 1 1
 
0.00
007 invalid category for 007: 'C' 1 1
 
0.00
007/01 (007text01) U 1 1
 
0.00
005 The field value does not match the expected pattern in '20181202' 1 1
 
0.00
005 invalid hour: null in '20181202' 1 1
 
0.00
005 The field value does not match the expected pattern in '20210902' 1 1
 
0.00
005 invalid hour: null in '20210902' 1 1
 
0.00
005 invalid month: 0 in '00000000000000.0' 1 1
 
0.00
008/18-19 (008music18) g 1 1
 
0.00
008/34 (008book34) n 1 1
 
0.00
005 The field value does not match the expected pattern in '20230418' 1 1
 
0.00
005 invalid hour: null in '20230418' 1 1
 
0.00
008/29 (008visual29) 0 1 1
 
0.00
008/33 (008visual33) 0 1 1
 
0.00
005 The field value does not match the expected pattern in '20180411' 1 1
 
0.00
005 invalid hour: null in '20180411' 1 1
 
0.00
008/18-20 (008visual18) c 1 1
 
0.00
005 The field value does not match the expected pattern in '20190328' 1 1
 
0.00
005 invalid hour: null in '20190328' 1 1
 
0.00
005 The field value does not match the expected pattern in '20190603' 1 1
 
0.00
005 invalid hour: null in '20190603' 1 1
 
0.00
005 The field value does not match the expected pattern in '20180119' 1 1
 
0.00
005 invalid hour: null in '20180119' 1 1
 
0.00
006/16 (006book16) n 1 1
 
0.00
008/29 (008continuing29) e 1 1
 
0.00
005 The field value does not match the expected pattern in '20171013' 1 1
 
0.00
005 invalid hour: null in '20171013' 1 1
 
0.00
007/03 (007electro03) " " 1 1
 
0.00
007/06-08 (007electro06) " " 1 1
 
0.00
007/09 (007electro09) " " 1 1
 
0.00
007/10 (007electro10) " " 1 1
 
0.00
007/11 (007electro11) " " 1 1
 
0.00
007/12 (007electro12) " " 1 1
 
0.00
count: 202 | [1] [2] [3] | grouped by tag
data field level issues 30,214 29,956
 
0.91
missing reference subfield (880$6) (1 variants) [+] 28 13
 
0.00
880 $6 28 13
 
0.00
count: 1 | list all | grouped by tag
repetition of non-repeatable field (6 variants) [+] 27,182 27,053
 
0.82
data element message
100 there are multiple instances 25 25
 
0.00
044 there are multiple instances 72 72
 
0.00
911 there are multiple instances 96 96
 
0.00
110 there are multiple instances 280 280
 
0.01
040 there are multiple instances 3,244 3,244
 
0.10
245 there are multiple instances 23,465 23,465
 
0.71
count: 6 | list all | grouped by tag
undefined field (12 variants) [+] 3,004 2,890
 
0.09
data element message
877 877 1 1
 
0.00
901 901 1 1
 
0.00
863 863 2 2
 
0.00
926 926 3 3
 
0.00
981 981 3 3
 
0.00
104 104 5 5
 
0.00
933 933 5 5
 
0.00
935 935 5 5
 
0.00
867 867 55 49
 
0.00
925 925 70 70
 
0.00
868 868 146 146
 
0.00
853 853 2,708 2,640
 
0.08
count: 12 | list all | grouped by tag
indicator level issues 1,024,975 696,189
 
21.08
obsolete value (2 variants) [+] 28 28
 
0.00
data element message
082$ind1 " " 3 3
 
0.00
072$ind2 " " 25 25
 
0.00
count: 2 | list all | grouped by tag
non-empty indicator (3 variants) [+] 394,444 394,441
 
11.94
data element message
017$ind1 0 3 3
 
0.00
911$ind1 0 25,504 25,501
 
0.77
911$ind1 1 368,937 368,937
 
11.17
count: 3 | list all | grouped by tag
invalid value (70 variants) [+] 630,503 329,075
 
9.96
data element message
880->866$ind2 " " 1 1
 
0.00
760$ind1 " " 1 1
 
0.00
880->600$ind1 " " 1 1
 
0.00
880->600$ind2 " " 1 1
 
0.00
880->240$ind1 " " 1 1
 
0.00
880->240$ind2 " " 1 1
 
0.00
880->773$ind1 " " 1 1
 
0.00
880->505$ind1 " " 1 1
 
0.00
880->710$ind1 " " 1 1
 
0.00
880->700$ind1 " " 3 2
 
0.00
880->130$ind1 " " 2 2
 
0.00
242$ind1 " " 5 4
 
0.00
242$ind2 " " 5 4
 
0.00
270$ind2 1 12 6
 
0.00
243$ind1 " " 7 7
 
0.00
243$ind2 " " 7 7
 
0.00
222$ind2 " " 7 7
 
0.00
247$ind1 " " 7 7
 
0.00
247$ind2 " " 7 7
 
0.00
711$ind1 " " 17 17
 
0.00
647$ind2 " " 20 20
 
0.00
770$ind1 " " 162 126
 
0.00
880->264$ind2 " " 134 133
 
0.00
024$ind1 " " 148 148
 
0.00
210$ind1 " " 170 168
 
0.01
130$ind1 " " 256 256
 
0.01
785$ind2 " " 323 314
 
0.01
240$ind1 " " 316 316
 
0.01
240$ind2 " " 327 327
 
0.01
610$ind2 " " 386 338
 
0.01
780$ind2 " " 393 381
 
0.01
772$ind1 " " 393 391
 
0.01
610$ind1 " " 478 428
 
0.01
511$ind1 " " 673 558
 
0.02
505$ind1 " " 1,912 744
 
0.02
777$ind1 " " 1,902 991
 
0.03
028$ind2 " " 1,649 1,033
 
0.03
600$ind2 " " 1,240 1,066
 
0.03
785$ind1 " " 1,112 1,077
 
0.03
362$ind1 " " 1,085 1,085
 
0.03
780$ind1 " " 1,184 1,126
 
0.03
028$ind1 " " 1,463 1,441
 
0.04
880->245$ind1 " " 1,517 1,511
 
0.05
880->245$ind2 " " 1,517 1,511
 
0.05
880->246$ind1 " " 1,583 1,554
 
0.05
787$ind1 " " 2,361 1,854
 
0.06
510$ind1 " " 2,870 2,400
 
0.07
100$ind1 " " 2,743 2,743
 
0.08
776$ind1 " " 2,992 2,762
 
0.08
600$ind1 " " 4,814 2,862
 
0.09
730$ind1 " " 3,837 2,875
 
0.09
866$ind2 " " 3,948 3,364
 
0.10
767$ind1 " " 4,123 3,440
 
0.10
765$ind1 " " 4,574 4,353
 
0.13
246$ind1 " " 6,556 4,579
 
0.14
110$ind1 " " 7,646 7,640
 
0.23
490$ind1 " " 11,274 11,253
 
0.34
786$ind1 " " 16,836 11,267
 
0.34
775$ind1 " " 26,204 12,401
 
0.38
773$ind1 " " 15,854 15,813
 
0.48
710$ind1 " " 18,091 17,659
 
0.53
700$ind1 " " 29,712 21,459
 
0.65
264$ind2 " " 21,790 21,703
 
0.66
648$ind2 " " 32,972 26,332
 
0.80
650$ind2 " " 49,777 33,113
 
1.00
651$ind2 " " 41,734 39,058
 
1.18
774$ind1 " " 54,908 54,908
 
1.66
245$ind1 " " 57,575 57,572
 
1.74
245$ind2 " " 58,315 58,312
 
1.77
655$ind2 " " 128,566 117,245
 
3.55
count: 70 | list all | grouped by tag
subfield level issues 1,629,889 996,260
 
30.16
undefined subfield (23 variants) [+] 1,576,692 973,285
 
29.47
data element message
886 r 1 1
 
0.00
886 e 2 1
 
0.00
886 f 1 1
 
0.00
886 k 1 1
 
0.00
886 g 2 2
 
0.00
500 b 2 2
 
0.00
563 b 2 2
 
0.00
886 c 8 3
 
0.00
306 b 4 4
 
0.00
500 w 5 5
 
0.00
306 c 6 6
 
0.00
022 m 7 7
 
0.00
856 i 8 7
 
0.00
546 9 8 8
 
0.00
856 b 12 10
 
0.00
886 h 14 10
 
0.00
773 0 18 11
 
0.00
886 x 40 13
 
0.00
886 z 25 13
 
0.00
856 k 46 45
 
0.00
022 l 263 263
 
0.01
911 # 564,236 564,105
 
17.08
911 a 1,011,981 972,961
 
29.46
count: 23 | list all | grouped by tag
invalid classification reference (7 variants) [+] 906 543
 
0.02
data element message
648$ind2 ind2 is '7' which means that the value should be found in subfield $2, but it is missing 2 2
 
0.00
651$ind2 ind2 is '7' which means that the value should be found in subfield $2, but it is missing 7 7
 
0.00
041$ind2 ind2 is '7' which means that the value should be found in subfield $2, but it is missing 8 8
 
0.00
657$ind2 ind2 is '7' which means that the value should be found in subfield $2, but it is missing 12 12
 
0.00
655$ind2 ind2 is '7' which means that the value should be found in subfield $2, but it is missing 201 166
 
0.01
650$ind2 ind2 is '7' which means that the value should be found in subfield $2, but it is missing 349 230
 
0.01
600$ind2 ind2 is '7' which means that the value should be found in subfield $2, but it is missing 327 268
 
0.01
count: 7 | list all | grouped by tag
repetition of non-repeatable subfield (68 variants) [+] 45,324 27,987
 
0.85
data element message
028$b there are multiple instances 1 1
 
0.00
110$a there are multiple instances 1 1
 
0.00
110$* there are multiple instances 1 1
 
0.00
022$a there are multiple instances 1 1
 
0.00
711$d there are multiple instances 1 1
 
0.00
520$a there are multiple instances 1 1
 
0.00
246$i there are multiple instances 1 1
 
0.00
504$a there are multiple instances 1 1
 
0.00
856$7 there are multiple instances 1 1
 
0.00
250$a there are multiple instances 1 1
 
0.00
210$a there are multiple instances 1 1
 
0.00
254$a there are multiple instances 1 1
 
0.00
775$a there are multiple instances 2 2
 
0.00
028$a there are multiple instances 4 2
 
0.00
563$a there are multiple instances 2 2
 
0.00
017$b there are multiple instances 2 2
 
0.00
362$a there are multiple instances 2 2
 
0.00
246$b there are multiple instances 2 2
 
0.00
245$h there are multiple instances 3 3
 
0.00
997$* there are multiple instances 3 3
 
0.00
710$a there are multiple instances 4 4
 
0.00
710$* there are multiple instances 4 4
 
0.00
035$a there are multiple instances 4 4
 
0.00
787$* there are multiple instances 4 4
 
0.00
787$a there are multiple instances 4 4
 
0.00
787$t there are multiple instances 4 4
 
0.00
773$a there are multiple instances 4 4
 
0.00
997$a there are multiple instances 4 4
 
0.00
246$a there are multiple instances 5 5
 
0.00
336$2 there are multiple instances 6 6
 
0.00
337$2 there are multiple instances 6 6
 
0.00
338$2 there are multiple instances 6 6
 
0.00
100$* there are multiple instances 6 6
 
0.00
775$t there are multiple instances 6 6
 
0.00
775$* there are multiple instances 6 6
 
0.00
997$t there are multiple instances 6 6
 
0.00
245$g there are multiple instances 6 6
 
0.00
100$a there are multiple instances 7 7
 
0.00
997$c there are multiple instances 7 7
 
0.00
505$a there are multiple instances 8 8
 
0.00
997$d there are multiple instances 8 8
 
0.00
650$b there are multiple instances 10 9
 
0.00
300$b there are multiple instances 11 11
 
0.00
997$v there are multiple instances 11 11
 
0.00
700$* there are multiple instances 27 17
 
0.00
700$a there are multiple instances 28 18
 
0.00
886$a there are multiple instances 30 18
 
0.00
245$c there are multiple instances 27 27
 
0.00
020$a there are multiple instances 29 29
 
0.00
773$* there are multiple instances 32 32
 
0.00
773$t there are multiple instances 32 32
 
0.00
654$2 there are multiple instances 52 33
 
0.00
020$c there are multiple instances 50 50
 
0.00
100$q there are multiple instances 51 51
 
0.00
100$d there are multiple instances 73 73
 
0.00
245$b there are multiple instances 145 145
 
0.00
500$a there are multiple instances 153 152
 
0.00
040$a there are multiple instances 177 177
 
0.01
997$g there are multiple instances 185 185
 
0.01
655$* there are multiple instances 218 218
 
0.01
655$a there are multiple instances 218 218
 
0.01
040$b there are multiple instances 429 429
 
0.01
700$q there are multiple instances 797 796
 
0.02
700$d there are multiple instances 822 817
 
0.02
245$a there are multiple instances 1,122 1,122
 
0.03
650$a there are multiple instances 4,258 2,789
 
0.08
650$* there are multiple instances 4,258 2,789
 
0.08
654$* there are multiple instances 31,932 21,756
 
0.66
count: 68 | list all | grouped by tag
invalid ISBN (33 variants) [+] 5,907 5,832
 
0.18
data element message
780$z ISBN is not a valid ISBN 13 value 1 1
 
0.00
785$z ISBN is not a valid ISBN 13 value 1 1
 
0.00
786$z ISBN length should be either 10 or 13. 1 1
 
0.00
770$z ISBN is not a valid ISBN 10 value 1 1
 
0.00
776$z ISBN is not a valid ISBN 10 value 1 1
 
0.00
787$z ISBN is not a valid ISBN 10 value 1 1
 
0.00
780$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 3 3
 
0.00
775$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 3 3
 
0.00
787$z ISBN is not a valid ISBN 13 value 3 3
 
0.00
767$z ISBN is not a valid ISBN 10 value 3 3
 
0.00
767$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 4 4
 
0.00
773$z ISBN length should be either 10 or 13. 4 4
 
0.00
767$z ISBN is not a valid ISBN 13 value 6 6
 
0.00
765$z ISBN is not a valid ISBN 13 value 6 6
 
0.00
787$z ISBN length should be either 10 or 13. 6 6
 
0.00
785$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 7 7
 
0.00
767$z ISBN length should be either 10 or 13. 7 7
 
0.00
773$z ISBN is not a valid ISBN 13 value 8 8
 
0.00
581$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 8 8
 
0.00
765$z ISBN is not a valid ISBN 10 value 9 9
 
0.00
776$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 10 10
 
0.00
765$z ISBN length should be either 10 or 13. 12 12
 
0.00
775$z ISBN is not a valid ISBN 10 value 14 14
 
0.00
776$z ISBN length should be either 10 or 13. 20 20
 
0.00
776$z ISBN is not a valid ISBN 13 value 39 39
 
0.00
775$z ISBN is not a valid ISBN 13 value 79 79
 
0.00
775$z ISBN length should be either 10 or 13. 85 84
 
0.00
773$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 269 269
 
0.01
786$z ISBN is not a valid ISBN 13 value 378 378
 
0.01
020$a ISBN is not a valid ISBN 13 value 709 705
 
0.02
020$a ISBN does not fit the pattern \d[\d-]+[\dxX]. 1,115 1,107
 
0.03
020$a ISBN is not a valid ISBN 10 value 1,376 1,369
 
0.04
020$a ISBN length should be either 10 or 13. 1,718 1,709
 
0.05
count: 33 | list all | grouped by tag
invalid ISSN (4 variants) [+] 611 561
 
0.02
data element message
490$x ISSN failed in integrity check 50 50
 
0.00
022$a ISSN failed in integrity check 67 67
 
0.00
490$x ISSN does not fit the pattern \d{4}-\d{3}[\dX]. 156 156
 
0.00
022$a ISSN does not fit the pattern \d{4}-\d{3}[\dX]. 338 288
 
0.01
count: 4 | list all | grouped by tag
content is not well-formatted (17 variants) [+] 446 222
 
0.01
data element message
856$6 '0' is not parsable 1 1
 
0.00
264$6 '880-2' is not parsable 1 1
 
0.00
773$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 1 1
 
0.00
246$6 '1979' is not parsable 1 1
 
0.00
246$6 '880-1' is not parsable 1 1
 
0.00
040$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 1 1
 
0.00
100$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 1 1
 
0.00
245$6 '880-0' is not parsable 1 1
 
0.00
245$6 '880-1' is not parsable 2 2
 
0.00
786$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 2 2
 
0.00
110$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 3 3
 
0.00
774$6 '11246749' is not parsable 3 3
 
0.00
246$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 5 5
 
0.00
017$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 36 10
 
0.00
245$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 21 21
 
0.00
580$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 61 61
 
0.00
020$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 305 107
 
0.00
count: 17 | list all | grouped by tag
invalid value (2 variants) [+] 3 3
 
0.00
data element message
856$7 00 1 1
 
0.00
856$7 7 2 2
 
0.00
count: 2 | list all | grouped by tag
analysis parameters
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analysisTimestamp 2026-10-12 21:47:31