Constraint report

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This special page performs constraint checks on any entity you want. The entities are fetched from the live system, so every constraint violation you fix there will be instantly removed from this list.

The constraints are parsed from statements on properties each time those statements are edited, usually within a few minutes.

Check constraints for entity

Result for Peter Coveney (Q56809558)

: 1, : 2, : 4, : 1188, : 72, : 2

StatusPropertyMessageConstraint
DBLP author ID/^(?:\d{2,3}\\/\d+(-\d+)?[a-zA-Z-]*(-\d+)?|[a-z]\\/[0-9A-Za-z]*(-\d+)?)$/u is not a valid regular expression.format constraint
PLWABN IDThis property should only have a single value with the same subject named as qualifier.single-value constraint
PLWABN IDThis property should only have a single value with the same subject named as qualifier.single-value constraint
National Library of Latvia IDEntities with statements for National Library of Latvia ID should also have a label at least in Latvian language.label in language constraint
NDL Authority IDEntities with statements for NDL Authority ID should also have a label at least in Japanese language.label in language constraint
date of birthThis property should contain a single “best” value. Of the current multiple values, one should be marked with “preferred” rank.single-best-value constraint
date of birthThis property should contain a single “best” value. Of the current multiple values, one should be marked with “preferred” rank.single-best-value constraint