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.
Result for Billie Jean King Cup player ID (P2642)
: 1, : 2, : 844, : 40
| Status | Property | Message | Constraint |
|---|---|---|---|
| issued by | The parameter "relation" must only have a single value. | subject type constraint | |
| URL match pattern | An entity with URL match pattern should also have a statement class of non-item property value. | item-requires-statement constraint | |
| URL match pattern | This URL match pattern statement is missing a qualifier web page title extract pattern. | required qualifier constraint |