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 Recovery of Ukraine Conference in Lugano (Q112939195)

: 1, : 2, : 202

StatusPropertyMessageConstraint
event intervalEntities using the event interval property should be instances or subclasses of one of the following classes (or of one of their subclasses), but Recovery of Ukraine Conference in Lugano currently isn't: subject type constraint
point in timeThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
point in timeThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint