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 FactGrid item ID (P8168)

: 6, : 505, : 13

StatusPropertyMessageConstraint
formatter URLThis formatter URL statement is missing a qualifier language of work or name.required qualifier constraint
formatter URLThis formatter URL statement is missing a qualifier language of work or name.required qualifier constraint
source website for the propertyThis source website for the property statement is missing a qualifier language of work or name.required qualifier constraint
number of recordsStatements for number of records should have at least one reference.citation-needed constraint
URL match patternAn entity with URL match pattern should also have a statement class of non-item property value.item-requires-statement constraint
URL match patternThis URL match pattern statement is missing a qualifier web page title extract pattern.required qualifier constraint