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.

Result for John, Margrave of Brandenburg-Kulmbach (Q524105)

: 3, : 1, : 1087, : 10, : 32

StatusPropertyMessageConstraint
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
start timeThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
start timeThis 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