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 William Wyndham Grenville, 1st Baron Grenville (Q312596)

: 4, : 9, : 9, : 2536, : 209

StatusPropertyMessageConstraint
History of Parliament ID/^(?:.+\\/member\\/[a-zéèàäöü0-9-()’]+)$/u is not a valid regular expression.format constraint
History of Parliament ID/^(?:.+\\/member\\/[a-zéèàäöü0-9-()’]+)$/u is not a valid regular expression.format constraint
History of Parliament ID/^(?:.+\\/member\\/[a-zéèàäöü0-9-()’]+)$/u is not a valid regular expression.format constraint
Royal Academy new identifier/^(?:(\.\.\\/[\w]+\\/)?[\w\-]+)$/u is not a valid regular expression.format constraint
gov.uk person IDAn entity with gov.uk person ID should also have a statement country of citizenship United Kingdom.item-requires-statement constraint
imported from Wikimedia projectValues of imported from Wikimedia project statements should be instances of one of the following classes (or of one of their subclasses), but Historical Commission of the Bavarian Academy of Sciences currently isn't: value-type constraint
British Museum person or institution IDThis property is generally expected to contain only a single value.single-value constraint
British Museum person or institution IDThis property is generally expected to contain only a single value.single-value constraint
Hansard (1803–2005) IDAn entity with Hansard (1803–2005) ID should also have a statement for country of citizenship with one of the following values:item-requires-statement constraint
National Library of Wales Authority IDThis property is generally expected to contain only a single value.single-value constraint
National Library of Wales Authority IDThis property is generally expected to contain only a single value.single-value constraint
National Library of Wales Authority IDThis property is generally expected to contain only a single value.single-value constraint
National Library of Wales Authority IDThis property is generally expected to contain only a single value.single-value constraint
depicted byWilliam Wyndham Grenville, 1st Baron Grenville [grenvwilli003863] should also have the inverse statement depicts William Wyndham Grenville, 1st Baron Grenville.inverse constraint
award receivedStatements for award received should have at least one reference.citation-needed constraint
position heldThis position held statement is missing a qualifier start time.required qualifier constraint
position heldThis position held statement is missing a qualifier start time.required qualifier constraint
position heldThis position held statement is missing a qualifier start time.required qualifier constraint
position heldThis position held statement is missing a qualifier start time.required qualifier constraint
position heldThis position held statement is missing a qualifier start time.required qualifier constraint
position heldThis position held statement is missing a qualifier start time.required qualifier constraint
Find a Grave memorial IDAn entity with Find a Grave memorial ID should also have a statement place of burial.item-requires-statement constraint
Retrieved from "https://www.wikidata.org/wiki/Special:ConstraintReport/Q312596"