path	value/explanation	url	count
invalid value (1 variant(s))			2
Leader/05 (leader05)	" "		2
non-empty indicator (1 variant(s))			2
911$ind1	0		2
undefined subfield (6 variant(s))			12
886	e		2
886	h		2
886	x		2
886	z		2
911	#		2
911	a		2
repetition of non-repeatable subfield (1 variant(s))			2
886$a	there are multiple instances		2