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 Jacob Hendrik Hoeufft (Q3805782)
: 2, : 2, : 968, : 77
| Status | Property | Message | Constraint |
|---|---|---|---|
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression. | format constraint | |
| Wikimedia import URL | /^(?:(?:https?:\\/\\/)(?:www\.)?((?<!wikidata\.org\\/)(?:wiki\\/|w\\/index\.php\?title=)(?:(Q.*)|.*)))$/u is not a valid regular expression. | format 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 |