path	value/explanation	url	count
non-empty indicator (1 variant(s))			1
911$ind1	1		1
invalid value (3 variant(s))			3
264$ind2	" "		1
245$ind1	" "		1
245$ind2	" "		1
undefined subfield (3 variant(s))			3
022	m		1
911	#		1
911	a		1
invalid classification reference (1 variant(s))			1
041$ind2	ind2 is '7' which means that the value should be found in subfield $2, but it is missing		1
invalid ISSN (1 variant(s))			1
022$a	ISSN failed in integrity check		1