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 Julian Abele (Q6306922)
: 1, : 2, : 4, : 1206, : 55
| Status | Property | Message | Constraint |
|---|---|---|---|
| BlackPast.org ID | /^(?:[a-z\-]+\\/[a-z0-9\-]+(\\/[a-z0-9\-]+)*)$/u is not a valid regular expression. | format constraint | |
| educated at | The entities Julian Abele and Philadelphia College of Art should be contemporary to be linked through educated at, but the latest end value of Julian Abele is 23 April 1950 and the earliest start value of Philadelphia College of Art is 1964. | contemporary constraint | |
| educated at | The entities Julian Abele and The University of the Arts should be contemporary to be linked through educated at, but the latest end value of Julian Abele is 23 April 1950 and the earliest start value of The University of the Arts is 1987. | contemporary constraint | |
| residence | Statements for residence should have at least one reference. | citation-needed constraint | |
| residence | Statements for residence should have at least one reference. | citation-needed constraint | |
| date of death | This property should contain a single “best” value. Of the current multiple values, one should be marked with “preferred” rank. | single-best-value constraint | |
| date of death | This property should contain a single “best” value. Of the current multiple values, one should be marked with “preferred” rank. | single-best-value constraint |