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 Anthony Mamo (Q356756)
: 2, : 3, : 1066, : 4, : 70
| Status | Property | Message | Constraint |
|---|---|---|---|
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression. | format constraint | |
| publication date | The parameter "item of property constraint" must be one of the following: | allowed-entity-types constraint | |
| number of children | Statements for number of children should have at least one reference. | citation-needed constraint | |
| place of death | Statements for place of death should have at least one reference. | citation-needed constraint | |
| WorldCat Identities ID (superseded) | An entity with WorldCat Identities ID (superseded) should also have a statement WorldCat Entities ID. | item-requires-statement constraint |