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 Petrus Overney (Q2181544)

: 5, : 1, : 760, : 108

StatusPropertyMessageConstraint
Wikimedia import URLThe value for Wikimedia import URL (https://www.wikidata.org/wiki/Q2181544#P6582) should match the regex ((?!wikidata\.org/(wiki/|w/index\.php\?title=)Q).)*.format 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
end timeThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
end timeThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
Dutch Instrument Makers IDAn entity with Dutch Instrument Makers ID should also have a statement has works in the collection.item-requires-statement constraint