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 Edgar Douglas Adrian (Q231292)

: 3, : 12, : 3596, : 399

StatusPropertyMessageConstraint
imported from Wikimedia projectValues of imported from Wikimedia project statements should be instances of one of the following classes (or of one of their subclasses), but Historical Commission of the Bavarian Academy of Sciences currently isn't: value-type constraint
Open Library IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
Open Library IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
Find a Grave memorial IDAn entity with Find a Grave memorial ID should also have a statement place of burial.item-requires-statement constraint
Uppsala University Alvin IDThis property is generally expected to contain only a single value.single-value constraint
Uppsala University Alvin IDThis property is generally expected to contain only a single value.single-value constraint