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 Society of American Archivists (Q7552352)

: 1, : 3, : 3, : 963, : 94, : 2

StatusPropertyMessageConstraint
Facebook username/^(?:(?!\w+\.php\b|people\b)[\p{L}\d.\\/-]*)$/u is not a valid regular expression.format constraint
Dictionary of Archives Terminology IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
Dictionary of Archives Terminology IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
legal formValues of legal form statements should be instances of legal form (or of a subclass of it), but voluntary association currently isn't.value-type constraint
web feed URLThis web feed URL statement is missing a qualifier language of work or name.required qualifier constraint
NE.se IDEntities with statements for NE.se ID should also have a label at least in Swedish language.label in language constraint
WorldCat Identities ID (superseded)An entity with WorldCat Identities ID (superseded) should also have a statement WorldCat Entities ID.item-requires-statement constraint