QA catalogue for analysing library data

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number of records: 3,309,161     last data update: 2026-10-19 22:15     timestamp of analysis: 2026-10-19 21:29:27 (00:04:51)

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
 
1,879,384 (56.79%)
1,429,777 (43.21%)

excluding undefined field issues

records without issues
with
 
1,882,028 (56.87%)
1,427,133 (43.13%)
instances records %
record level issues 380 364
 
0.01
undetectable type (6 variants) [+] 348 348
 
0.01
data element message
Leader Leader/06 (typeOfRecord): ' ', Leader/07 (bibliographicLevel): 'm' 1 1
 
0.00
Leader Leader/06 (typeOfRecord): 'a', Leader/07 (bibliographicLevel): ' ' 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' 329 329
 
0.01
count: 6 | list all | grouped by tag
invalid linkage (7 variants) [+] 32 16
 
0.00
data element message
880 Unparseable reference: '245/01(N' 2 1
 
0.00
880 Unparseable reference: '245-01(3' 2 1
 
0.00
880 Unparseable reference: '246-01$1' 2 1
 
0.00
880 Unparseable reference: '246-02(3' 2 1
 
0.00
880 Unparseable reference: '264-01(S' 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 720,450 297,377
 
8.99
obsolete code (4 variants) [+] 22,130 22,130
 
0.67
data element message
Leader/17 (leader17) 0 553 553
 
0.02
008/33 (008book33) c 839 839
 
0.03
008/34 (008visual34) " " 1,952 1,952
 
0.06
008/33 (008book33) " " 18,786 18,786
 
0.57
count: 4 | list all | grouped by tag
invalid code (146 variants) [+] 100,936 58,706
 
1.77
data element message
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: ' 20020'. Text ' 20020' could not be parsed at index 0 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
008/00-05 (008all00) Invalid content: '978900'. Text '978900' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 89 1 1
 
0.00
008/18-21 (008book18) 'r' in 'ger ' 1 1
 
0.00
008/24-27 (008book24) 'h' in 'h|||' 1 1
 
0.00
006/07-10 (006book07) 'h' in ' h ' 1 1
 
0.00
008/18-21 (008map18) 'r' in 'fre|' 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) 'r' in 'fr|p' 1 1
 
0.00
008/18-21 (008book18) 'u' in 'mul|' 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
008/00-05 (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) 'u' in 'butp' 1 1
 
0.00
008/18-21 (008book18) 't' in 'butp' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'xxxxxx'. Text 'xxxxxx' could not be parsed at index 0 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
008/00-05 (008all00) Invalid content: '201809'. Text '201809' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 18 1 1
 
0.00
008/18-21 (008book18) 'r' in 'ger|' 1 1
 
0.00
008/18-21 (008book18) 'u' in 'undm' 1 1
 
0.00
008/18-21 (008book18) 'n' in 'undm' 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: 'c20179'. Text 'c20179' could not be parsed at index 0 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: '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: '978907'. Text '978907' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 89 1 1
 
0.00
008/30-31 (008music30) '_' in 'p_' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 's1529|'. Text 's1529|' 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
008/18-21 (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: 'c20209'. Text 'c20209' could not be parsed at index 0 1 1
 
0.00
008/18-21 (008book18) 'r' in 'brep' 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) '_' in '||_p' 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: '454545'. Text '454545' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 45 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) 'n' in ' ndm' 1 1
 
0.00
008/18-21 (008book18) 'r' in 'crkd' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'd19721'. Text 'd19721' could not be parsed at index 0 1 1
 
0.00
008/00-05 (008all00) Invalid content: '202011'. Text '202011' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 20 1 1
 
0.00
008/18-21 (008book18) 't' in 'tndp' 1 1
 
0.00
008/18-21 (008book18) 'n' in 'tndp' 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
008/24-29 (008music24) '0' in '|||| 0' 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
008/00-05 (008all00) Invalid content: ' 2020'. Text ' 2020' could not be parsed at index 0 1 1
 
0.00
008/18-21 (008book18) 'u' in 'u p' 1 1
 
0.00
008/18-21 (008book18) 't' in 't p' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'etiket'. Text 'etiket' 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: '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: '(d)|||'. Text '(d)|||' 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
008/00-05 (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: '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: '125521'. Text '125521' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 55 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'd19942'. Text 'd19942' could not be parsed at index 0 1 1
 
0.00
008/18-21 (008book18) '_' in 'a|_p' 1 1
 
0.00
008/18-21 (008book18) 'n' in ' nd|' 1 1
 
0.00
008/00-05 (008all00) Invalid content: 'IIIIII'. Text 'IIIIII' could not be parsed at index 0 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: '201906'. Text '201906' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 19 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
008/00-05 (008all00) Invalid content: 'c20199'. Text 'c20199' could not be parsed at index 0 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
008/00-05 (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: 's1520|'. Text 's1520|' 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
008/18-21 (008book18) 'w' in 'wr||' 2 2
 
0.00
008/18-21 (008book18) 'r' in 'wr||' 2 2
 
0.00
008/18-21 (008book18) 'z' in 'z p' 2 2
 
0.00
008/18-21 (008book18) '_' in 'b|_p' 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: 's9999|'. Text 's9999|' could not be parsed at index 0 2 2
 
0.00
008/18-21 (008book18) '_' in ' |_p' 2 2
 
0.00
008/30-31 (008music30) '1' in ' 1' 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
008/00-05 (008all00) Invalid content: '000000'. Text '000000' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 0 3 3
 
0.00
008/18-21 (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
008/00-05 (008all00) Invalid content: '201912'. Text '201912' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 19 3 3
 
0.00
008/24-27 (008book24) '0' in ' 0||' 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
008/24-27 (008book24) '\' in '||\|' 3 3
 
0.00
008/18-21 (008book18) 'w' in 'w||p' 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
008/00-05 (008all00) Invalid content: '202008'. Text '202008' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 20 3 3
 
0.00
008/18-21 (008book18) 'q' in 'q||p' 4 4
 
0.00
008/18-21 (008book18) '_' in '|||_' 4 4
 
0.00
008/24-27 (008book24) '_' in '____' 16 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
count: 146 | [1] [2] | grouped by tag
invalid value (202 variants) [+] 597,384 268,268
 
8.11
data element message
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 '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 '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 '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 '20180411' 1 1
 
0.00
005 invalid hour: null in '20180411' 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
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 '20180604' 1 1
 
0.00
005 invalid hour: null in '20180604' 1 1
 
0.00
008/29 (008book29) 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 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
006/16 (006book16) n 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 '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 '20230320' 1 1
 
0.00
005 invalid hour: null in '20230320' 1 1
 
0.00
008/34 (008visual34) 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
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
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
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 '20190221' 1 1
 
0.00
005 invalid hour: null in '20190221' 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
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 '20180821150632' 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 '20190711' 1 1
 
0.00
005 invalid hour: null in '20190711' 1 1
 
0.00
008/38 (008all38) f 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
008/18-20 (008visual18) fre 1 1
 
0.00
008/34 (008book34) n 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 '20230316' 1 1
 
0.00
005 invalid hour: null in '20230316' 1 1
 
0.00
005 The field value does not match the expected pattern in '/' 1 1
 
0.00
005 invalid month: null in '/' 1 1
 
0.00
008/19 (008continuing19) t 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
008/18-19 (008music18) g 1 1
 
0.00
008/29 (008continuing29) m 1 1
 
0.00
008/18-19 (008music18) fr 1 1
 
0.00
008/19 (008continuing19) 1 1
 
0.00
008/18-19 (008music18) au 1 1
 
0.00
008/39 (008all39) f 1 1
 
0.00
008/19 (008continuing19) e 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 '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 '20180119' 1 1
 
0.00
005 invalid hour: null in '20180119' 1 1
 
0.00
008/21 (008continuing21) a 1 1
 
0.00
005 invalid month: 0 in '00000000000000.0' 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 '20180201' 1 1
 
0.00
005 invalid hour: null in '20180201' 1 1
 
0.00
007 invalid category for 007: 'C' 1 1
 
0.00
007/01 (007text01) U 1 1
 
0.00
008/29 (008book29) _ 1 1
 
0.00
008/29 (008continuing29) e 1 1
 
0.00
008/18-20 (008visual18) c 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
007/13 (007electro13) " " 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
count: 202 | [1] [2] [3] | grouped by tag
data field level issues 30,188 29,928
 
0.90
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) [+] 27,151 27,022
 
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 3,263 3,263
 
0.10
245 there are multiple instances 23,415 23,415
 
0.71
count: 6 | list all | grouped by tag
undefined field (12 variants) [+] 3,009 2,893
 
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 57 51
 
0.00
925 925 70 70
 
0.00
868 868 149 149
 
0.00
853 853 2,708 2,640
 
0.08
count: 12 | list all | grouped by tag
indicator level issues 1,033,584 699,776
 
21.15
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) [+] 394,849 394,846
 
11.93
data element message
017$ind1 0 3 3
 
0.00
911$ind1 0 26,047 26,044
 
0.79
911$ind1 1 368,799 368,799
 
11.14
count: 3 | list all | grouped by tag
invalid value (70 variants) [+] 638,707 332,997
 
10.06
data element message
880->505$ind1 " " 1 1
 
0.00
880->866$ind2 " " 1 1
 
0.00
760$ind1 " " 1 1
 
0.00
880->710$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->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
247$ind1 " " 7 7
 
0.00
247$ind2 " " 7 7
 
0.00
222$ind2 " " 7 7
 
0.00
711$ind1 " " 17 17
 
0.00
647$ind2 " " 20 20
 
0.00
770$ind1 " " 163 127
 
0.00
880->264$ind2 " " 134 133
 
0.00
024$ind1 " " 162 162
 
0.00
210$ind1 " " 171 169
 
0.01
130$ind1 " " 256 256
 
0.01
785$ind2 " " 324 315
 
0.01
240$ind1 " " 317 317
 
0.01
240$ind2 " " 328 328
 
0.01
610$ind2 " " 386 338
 
0.01
780$ind2 " " 395 383
 
0.01
772$ind1 " " 395 393
 
0.01
610$ind1 " " 479 429
 
0.01
511$ind1 " " 673 558
 
0.02
505$ind1 " " 1,920 748
 
0.02
777$ind1 " " 1,902 991
 
0.03
028$ind2 " " 1,649 1,033
 
0.03
785$ind1 " " 1,112 1,077
 
0.03
600$ind2 " " 1,254 1,079
 
0.03
362$ind1 " " 1,093 1,093
 
0.03
780$ind1 " " 1,185 1,127
 
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 " " 1,603 1,574
 
0.05
787$ind1 " " 2,373 1,864
 
0.06
510$ind1 " " 2,873 2,403
 
0.07
100$ind1 " " 2,745 2,745
 
0.08
776$ind1 " " 3,023 2,791
 
0.08
730$ind1 " " 3,837 2,875
 
0.09
600$ind1 " " 4,828 2,875
 
0.09
866$ind2 " " 4,044 3,454
 
0.10
767$ind1 " " 4,139 3,455
 
0.10
765$ind1 " " 4,731 4,507
 
0.14
246$ind1 " " 6,648 4,635
 
0.14
110$ind1 " " 7,649 7,643
 
0.23
490$ind1 " " 11,205 11,184
 
0.34
786$ind1 " " 16,932 11,316
 
0.34
775$ind1 " " 26,423 12,519
 
0.38
773$ind1 " " 15,883 15,842
 
0.48
710$ind1 " " 18,484 17,958
 
0.54
700$ind1 " " 29,707 21,454
 
0.65
264$ind2 " " 21,965 21,879
 
0.66
648$ind2 " " 33,124 26,485
 
0.80
650$ind2 " " 50,827 33,231
 
1.00
651$ind2 " " 41,944 39,217
 
1.19
774$ind1 " " 55,636 55,636
 
1.68
245$ind1 " " 58,386 58,383
 
1.76
245$ind2 " " 59,152 59,149
 
1.79
655$ind2 " " 131,643 119,901
 
3.62
count: 70 | list all | grouped by tag
subfield level issues 1,634,522 999,590
 
30.21
undefined subfield (23 variants) [+] 1,581,138 976,511
 
29.51
data element message
886 f 1 1
 
0.00
886 r 1 1
 
0.00
886 e 2 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
886 h 14 10
 
0.00
856 b 12 10
 
0.00
773 0 18 11
 
0.00
886 x 40 13
 
0.00
886 z 25 13
 
0.00
856 k 47 46
 
0.00
022 l 265 265
 
0.01
911 # 565,309 565,178
 
17.08
911 a 1,015,351 976,184
 
29.50
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) [+] 45,505 28,102
 
0.85
data element message
250$a there are multiple instances 1 1
 
0.00
022$a there are multiple instances 1 1
 
0.00
028$b there are multiple instances 1 1
 
0.00
110$* there are multiple instances 1 1
 
0.00
110$a there are multiple instances 1 1
 
0.00
711$d there are multiple instances 1 1
 
0.00
210$a 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
254$a there are multiple instances 1 1
 
0.00
017$b there are multiple instances 2 2
 
0.00
563$a there are multiple instances 2 2
 
0.00
775$a there are multiple instances 2 2
 
0.00
028$a there are multiple instances 4 2
 
0.00
362$a there are multiple instances 2 2
 
0.00
246$b there are multiple instances 2 2
 
0.00
997$* there are multiple instances 3 3
 
0.00
245$h there are multiple instances 3 3
 
0.00
035$a 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
787$* there are multiple instances 4 4
 
0.00
997$a there are multiple instances 4 4
 
0.00
773$a there are multiple instances 4 4
 
0.00
710$* there are multiple instances 4 4
 
0.00
710$a there are multiple instances 4 4
 
0.00
246$a there are multiple instances 5 5
 
0.00
245$g there are multiple instances 6 6
 
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
997$t 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
100$* there are multiple instances 6 6
 
0.00
997$c there are multiple instances 7 7
 
0.00
100$a 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
997$v there are multiple instances 11 11
 
0.00
300$b there are multiple instances 11 11
 
0.00
700$* there are multiple instances 27 17
 
0.00
886$a there are multiple instances 30 18
 
0.00
700$a there are multiple instances 28 18
 
0.00
245$c there are multiple instances 27 27
 
0.00
020$a there are multiple instances 29 29
 
0.00
773$t there are multiple instances 32 32
 
0.00
773$* 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 152 151
 
0.00
040$a there are multiple instances 177 177
 
0.01
997$g there are multiple instances 184 184
 
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$* there are multiple instances 4,283 2,807
 
0.08
650$a there are multiple instances 4,283 2,807
 
0.08
654$* there are multiple instances 32,065 21,855
 
0.66
count: 68 | list all | grouped by tag
invalid ISBN (33 variants) [+] 5,913 5,834
 
0.18
data element message
786$z ISBN length should be either 10 or 13. 1 1
 
0.00
776$z ISBN is not a valid ISBN 10 value 1 1
 
0.00
770$z ISBN is not a valid ISBN 10 value 1 1
 
0.00
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
787$z ISBN is not a valid ISBN 10 value 1 1
 
0.00
767$z ISBN is not a valid ISBN 10 value 3 3
 
0.00
775$z ISBN does not fit the pattern \d[\d-]+[\dxX]. 3 3
 
0.00
780$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 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
787$z ISBN length should be either 10 or 13. 6 6
 
0.00
765$z ISBN is not a valid ISBN 13 value 6 6
 
0.00
767$z ISBN is not a valid ISBN 13 value 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]. 270 270
 
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]. 1,112 1,104
 
0.03
020$a ISBN is not a valid ISBN 10 value 1,378 1,371
 
0.04
020$a ISBN length should be either 10 or 13. 1,724 1,711
 
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
245$6 '880-0' is not parsable 1 1
 
0.00
246$6 '1979' is not parsable 1 1
 
0.00
856$6 '0' is not parsable 1 1
 
0.00
100$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 1 1
 
0.00
264$6 '880-2' is not parsable 1 1
 
0.00
040$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 1 1
 
0.00
773$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 1 1
 
0.00
246$6 '880-1' is not parsable 1 1
 
0.00
786$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 2 2
 
0.00
245$6 '880-1' is not parsable 2 2
 
0.00
774$6 '11246749' is not parsable 3 3
 
0.00
110$6 Linkage does not fit the pattern 'nnn-nn[/..][/..]'. 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 2026-10-19 21:29:27