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 Pieter de Keyser (Q372910)
: 1, : 1, : 1237, : 128, : 5
| Status | Property | Message | Constraint |
|---|---|---|---|
| country of citizenship | The entities Pieter de Keyser and Kingdom of the Netherlands should be contemporary to be linked through country of citizenship, but the latest end value of Pieter de Keyser is 15 September 1676Gregorian and the earliest start value of Kingdom of the Netherlands is 16 March 1815Gregorian. | contemporary constraint | |
| date of death | Statements for date of death should have at least one reference. | citation-needed constraint |