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 Arluno (Q42916)

: 4, : 4, : 1119, : 110

StatusPropertyMessageConstraint
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 Italian National Institute of Statistics currently isn't: value-type constraint
Wiki Loves Monuments IDAn entity with Wiki Loves Monuments ID should also have a statement heritage designation.item-requires-statement constraint
stated inValues of stated in statements should be instances or subclasses of one of the following classes (or of one of their subclasses), but Seismic classification in Italy currently isn't: value-type constraint
official websiteThis property's value should not be present on any other item, but is also present on Biblioteca Comunale di Arluno.distinct-values constraint
populationThis population statement is missing a qualifier determination method or standard.required qualifier constraint
populationThis population statement is missing a qualifier determination method or standard.required qualifier constraint
populationThis population statement is missing a qualifier determination method or standard.required qualifier constraint
official websiteThis official website statement is missing a qualifier language of work or name.required qualifier constraint
Retrieved from "https://www.wikidata.org/wiki/Special:ConstraintReport/Q42916"