Wikidata:Database reports/Constraint violations/P271

Constraint violations report for NACSIS-CAT author ID (Discussion, uses, items, changes, related properties): identifier for book authors in NACSIS-CAT, the union catalog for university libraries and research institutions in Japan
Data time stamp: (UTC) — Items processed: 185,536
The report is generated based on the settings on Property:P271#P2302.
Updates overwrite this page. Some may already be fixed since the last update: check RecentChangesLinked.
When incremental dumps and the bot work as planned, items fixed before 07:00 UTC disappear in the next update. The report is not updated if only the item count changes.
The report can include false positives. There is no need to "fix" them.

"Entity types" violations edit

Violations count: 0

"Scope" violations edit

Violations count: 1

"Format" violations edit

Violations count: 1

"Unique value" violations edit

Violations count: 104

"Single value" violations edit

Violations count: 1033

"Item instance of (P31)" violations edit

Violations count: 203

Violations count: 249

Types statistics edit

"Conflicts with instance of (P31)" violations edit

Violations count: 0

"Conflicts with NACSIS-CAT bibliography ID (P1739)" violations edit

Violations count: 3