Journal-issue-level DOIs returning 'Unknown error occurred' message on
Incident Report for Crossref
This incident has been resolved.
Posted Oct 24, 2023 - 19:17 UTC
We incorrectly announced this as being an issue for all newly registered DOIs on Instead, only journal-issue-level DOIs - new and existing - are producing the 'Unknown error occurred' message on
Posted Oct 13, 2023 - 19:23 UTC
We are currently investigating this issue.
Posted Oct 13, 2023 - 19:10 UTC
This incident affected: Sites (Metadata search).