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