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 Paris-Sorbonne University - Paris IV (Q546118)

: 22, : 8, : 8, : 2576, : 4, : 311

StatusPropertyMessageConstraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
students countThe parameter "property" must only have a single value.required qualifier constraint
Canal-U channel ID/^(?:[\w\-_]+(\\/[\w\-_]+)?)$/u is not a valid regular expression.format constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
chairpersonThe parameter "property" must only have a single value.required qualifier constraint
employeesThis employees statement is missing a qualifier point in time.required qualifier constraint
SIREN numberThe property SIREN number should not be used in this location (as reference). The only valid location for this property is as main value.property scope constraint
structure replaced byEntities using the structure replaced by property should be instances of one of the following classes (or of one of their subclasses), but Paris-Sorbonne University - Paris IV currently isn't: subject type constraint
structure replaced byValues of structure replaced by statements should be instances of one of the following classes (or of one of their subclasses), but Faculté des lettres de Sorbonne Université currently isn't: value-type constraint
Quora topic IDThis property's value should not be present on any other item, but is also present on Pierre and Marie Curie University.distinct-values constraint
EU VAT numberThe value for EU VAT number (FR197517204) should match the regex FR[\dA-Z]{2}\d{9}|^(?!FR).+|.format constraint
terminus locationThe property terminus location should not be used in this location (as qualifier). The only valid location for this property is as main value.property scope constraint
official websiteThis property's value should not be present on any other item, but is also present on Pierre and Marie Curie University.distinct-values constraint
replaced byAn entity should not have statements for both replaced by and structure replaced by.conflicts-with constraint
Union List of Artist Names IDAn entity with Union List of Artist Names ID should also have a statement occupation.item-requires-statement constraint
Union List of Artist Names IDAn entity with Union List of Artist Names ID should also have a statement place of birth.item-requires-statement constraint
Union List of Artist Names IDAn entity with Union List of Artist Names ID should also have a statement sex or gender.item-requires-statement constraint
Union List of Artist Names IDAn entity with Union List of Artist Names ID should also have a statement given name.item-requires-statement constraint
Union List of Artist Names IDAn entity with Union List of Artist Names ID should also have a statement date of birth.item-requires-statement constraint
National Library of Lithuania IDEntities with statements for National Library of Lithuania ID should also have a label at least in Lithuanian language.label in language constraint
WorldCat Identities ID (superseded)An entity with WorldCat Identities ID (superseded) should also have a statement WorldCat Entities ID.item-requires-statement constraint