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.

Check constraints for entity

Result for Kosmas (Q1136093)

: 3, : 3, : 617, : 8

StatusPropertyMessageConstraint
instance ofThe 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
instance ofThe 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
date of deathThe difference between date of birth (11. century) and date of death (1098Gregorian) should be between −1 year and 150 year.difference-within-range constraint
position heldThis position held statement is missing a qualifier start time.required qualifier constraint
date of birthStatements for date of birth should have at least one reference.citation-needed constraint
date of deathStatements for date of death should have at least one reference.citation-needed constraint