Interlanguage-link templates whose Wikidata target is unset or literally "Unknown". The unresolved_ill_qid orchestrator op tags these pages as it sweeps mainspace, so the list grows over successive cleanup cycles. Fill via fix_ill_destinations.py per context — don't blind-overwrite.
detection error at build time: 403 Client Error: Forbidden for url: https://shinto.miraheze.org/w/api.php?action=query&list=categorymembers&cmtitle=Category%3APages+with+unresolved+QID+in+ill+template&cmtype=page&cmlimit=500&format=json&formatversion=2
No pages currently detected for this item.