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 Vila do Conde (Q917313)

: 7, : 1, : 1470, : 26, : 56

StatusPropertyMessageConstraint
GeoNames IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
GeoNames IDThis property should only have a single value with the same set of qualifiers for these properties: single-value constraint
GeoNames IDThis property's value should not be present on any other item, but is also present on Vila do Conde (city).distinct-values constraint
areaThis property should contain a single “best” value with the same set of qualifiers for these properties: Of the current multiple values, one should be marked with “preferred” rank.single-best-value constraint
areaThis property should contain a single “best” value with the same set of qualifiers for these properties: Of the current multiple values, one should be marked with “preferred” rank.single-best-value constraint
Who's on First IDThis property's value should not be present on any other item, but is also present on Vila do Conde (city).distinct-values constraint
public holidaypatronal festival should have a statement day in year for periodic occurrence.value-requires-statement constraint
populationThis population statement is missing a qualifier determination method or standard.required qualifier constraint