path	value/explanation	url	count
obsolete code (1 variant(s))			1
008/33 (008book33)	" "		1
invalid value (3 variant(s))			3
008/29 (008book29)	" "		1
008/30 (008book30)	" "		1
008/31 (008book31)	" "		1
repetition of non-repeatable subfield (1 variant(s))			1
654$2	there are multiple instances		1