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 Eduard Hanslick (Q84246)

: 7, : 10, : 2, : 1, : 3698, : 234

StatusPropertyMessageConstraint
az.lib.ru author ID/^(?:[a-z]{1,2}\\/[a-z_]+)$/u is not a valid regular expression.format constraint
Wikimedia import URL/^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/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
publication dateThe parameter "item of property constraint" must be one of the following:allowed-entity-types constraint
publication dateThe parameter "item of property constraint" must be one of the following:allowed-entity-types constraint
publication dateThe parameter "item of property constraint" must be one of the following:allowed-entity-types constraint
publication dateThe parameter "item of property constraint" must be one of the following:allowed-entity-types constraint
Encyclopedia of China (Third Edition) IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
Encyclopedia of China (Third Edition) IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
based on heuristicValues of based on heuristic statements should be instances or subclasses of algorithm or reasoning (or of a subclass of them), but record linkage currently isn't.value-type constraint
Česká divadelní encyklopedie IDThe value for Česká divadelní encyklopedie ID (Hanslick,_Eduard) should match the regex [1-9][0-9]*.format constraint
Česká divadelní encyklopedie IDThe value for Česká divadelní encyklopedie ID (Hanslick,_Eduard) should match the regex [1-9][0-9]*.format constraint
Česká divadelní encyklopedie IDThe value for Česká divadelní encyklopedie ID (Hanslick,_Eduard) should match the regex [1-9][0-9]*.format constraint
Česká divadelní encyklopedie IDThe value for Česká divadelní encyklopedie ID (Hanslick,_Eduard) should match the regex [1-9][0-9]*.format constraint
Česká divadelní encyklopedie IDThe value for Česká divadelní encyklopedie ID (Hanslick,_Eduard) should match the regex [1-9][0-9]*.format constraint
Česká divadelní encyklopedie IDThe value for Česká divadelní encyklopedie ID (Hanslick,_Eduard) should match the regex [1-9][0-9]*.format constraint
Česká divadelní encyklopedie IDThe value for Česká divadelní encyklopedie ID (Hanslick,_Eduard) should match the regex [1-9][0-9]*.format constraint
National Library of Latvia IDEntities with statements for National Library of Latvia ID should also have a label at least in Latvian language.label in language constraint
country of citizenshipThe value for country of citizenship should not be Austria-Hungary.none-of constraint
Musik und Gender im Internet IDThis entity is a known exception for this constraint and has been marked as such.item-requires-statement constraint