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 Fedor Ovchinnikov (Q15076662)
: 2, : 353
| Status | Property | Message | Constraint |
|---|---|---|---|
| position held | This position held statement is missing a qualifier start time. | required qualifier constraint | |
| date of death | Statements for date of death should have at least one reference. | citation-needed constraint |