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 Citroën DS (Q465966)

: 6, : 1, : 765, : 19

StatusPropertyMessageConstraint
location of creationThe entities Citroën DS and Parc André Citroën should be contemporary to be linked through location of creation, but the latest end value of Citroën DS is 1975 and the earliest start value of Parc André Citroën is 1992.contemporary constraint
total producedThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
total producedThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
total producedThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
described by sourceValues of described by source statements should be instances or subclasses of one of the following classes (or of one of their subclasses), but Alexander Spoerl currently isn't: value-type constraint
countryAn entity should not have a statement for country if it also has a statement for instance of with value automobile model.conflicts-with constraint
Namuwiki IDEntities with statements for Namuwiki ID should also have a label at least in Korean language.label in language constraint