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 Heinrich Hug (Q15454524)

: 3, : 2, : 859, : 24

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
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
SBN author IDEntities with statements for SBN author ID should also have a label at least in Italian language.label in language constraint
place of birthStatements for place of birth should have at least one reference.citation-needed constraint
place of deathStatements for place of death should have at least one reference.citation-needed constraint