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 Tell Me When (Q384031)

: 8, : 1, : 425, : 20

StatusPropertyMessageConstraint
YouTube video IDAn entity should not have a statement for YouTube video ID if it also has a statement for instance of with value single.conflicts-with constraint
MetroLyrics IDAn entity should not have a statement for MetroLyrics ID if it also has a statement for instance of with value single.conflicts-with constraint
MetroLyrics IDEntities using the MetroLyrics ID property should be instances of one of the following classes (or of one of their subclasses), but Tell Me When currently isn't: subject type constraint
MusicBrainz work IDAn entity should not have statements for both MusicBrainz work ID and Discogs master ID.conflicts-with constraint
MusicBrainz work IDAn entity should not have a statement for MusicBrainz work ID if it also has a statement for instance of with value single.conflicts-with constraint
MusicBrainz work IDAn entity should not have statements for both MusicBrainz work ID and MusicBrainz release group ID.conflicts-with constraint
MusicBrainz work IDEntities using the MusicBrainz work ID property should be instances of one of the following classes (or of one of their subclasses), but Tell Me When currently isn't: subject type constraint
MusicBrainz release group IDAn entity should not have statements for both MusicBrainz release group ID and MusicBrainz work ID.conflicts-with constraint
MusicBrainz work IDAn entity with MusicBrainz work ID should also have a statement title.item-requires-statement constraint