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 Gaetano Cantoni (Q3756920)

: 1, : 3, : 1032, : 85

StatusPropertyMessageConstraint
Wikimedia import URLThe value for Wikimedia import URL (https://www.wikidata.org/wiki/Q3756920#P1341) should match the regex ((?!wikidata\.org/(wiki/|w/index\.php\?title=)Q).)*.format constraint
Vatican Library ID (former scheme)An entity with Vatican Library ID (former scheme) should also have a statement Vatican Library VcBA ID.item-requires-statement constraint
Italian Chamber of Deputies dati IDAn entity with Italian Chamber of Deputies dati ID should also have a statement member of political party.item-requires-statement constraint
place of birthStatements for place of birth should have at least one reference.citation-needed constraint