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 transport in France (Q2326409)

: 2, : 411

StatusPropertyMessageConstraint
driving sideAn entity with driving side should also have a statement GeoNames ID.item-requires-statement constraint
driving sideEntities using the driving side property should be instances of one of the following classes (or of one of their subclasses), but transport in France currently isn't: subject type constraint