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 Albert Kunne (Q103913)
: 3, : 3, : 1052, : 48
| Status | Property | Message | Constraint |
|---|---|---|---|
| country of citizenship | The entities Albert Kunne and Germany should be contemporary to be linked through country of citizenship, but the latest end value of Albert Kunne is 1520Gregorian and the earliest start value of Germany is 1 July 1867Gregorian. | contemporary constraint | |
| instance of | The property instance of should not be used in this location (as qualifier). The only valid location for this property is as main value. | property scope constraint | |
| Wikimedia import URL | The value for Wikimedia import URL (https://www.wikidata.org/wiki/Q103913#P5273) should match the regex ((?!wikidata\.org/(wiki/|w/index\.php\?title=)Q).)*. | format constraint | |
| WorldCat Entities ID | This property should only have a single value with the same subject named as qualifier. | single-value constraint | |
| WorldCat Entities ID | This property should only have a single value with the same subject named as qualifier. | single-value constraint | |
| date of birth | Statements for date of birth should have at least one reference. | citation-needed constraint |