|Type “”: element must contain property Parameter "relation" (empty) is not valid with classes or their subclasses (defined using subclass of (P279))|
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/Constraint:Type#Type
|This template is obsolete. Please use property constraint (P2302) with value type constraint instead. For further information, see Help:Property constraints portal.|
| The above documentation is transcluded from Template:Constraint:Type/doc. (edit | history) |
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