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 Kikkawa Okitsune (Q10917128)

: 1, : 1, : 1, : 462, : 6

StatusPropertyMessageConstraint
Wikimedia import URL/^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression.format constraint
instance ofThe property instance of should not be used in this location (as qualifier). The only valid location for this property is as main value.property scope constraint
WorldCat Identities ID (superseded)An entity with WorldCat Identities ID (superseded) should also have a statement WorldCat Entities ID.item-requires-statement constraint