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 Władysław Reymont (Q121180)

: 2, : 4, : 4, : 3585, : 256, : 1

StatusPropertyMessageConstraint
az.lib.ru author ID/^(?:[a-z]{1,2}\\/[a-z_]+)$/u is not a valid regular expression.format constraint
RISM ID/^(?:(people|institutions|sources)\\/[1-9]\d*)$/u is not a valid regular expression.format constraint
Babelio author IDThis property is generally expected to contain only a single value.single-value constraint
Babelio author IDThis property is generally expected to contain only a single value.single-value constraint
Find a Grave memorial IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
Find a Grave memorial IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
birth nameStatements for birth name should have at least one reference.citation-needed constraint
spouseStatements for spouse should have at least one reference.citation-needed constraint
ELNET IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
ELNET IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint