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 Nikkor (Q2468852)
: 1, : 1, : 243
| Status | Property | Message | Constraint |
|---|---|---|---|
| country of origin | Entities using the country of origin property should be instances or subclasses of one of the following classes (or of one of their subclasses), but Nikkor currently isn't: | subject type constraint | |
| official website | This official website statement is missing a qualifier language of work or name. | required qualifier constraint |