Resolved -
This issue has been resolved, thank you for your patience.
Jun 4, 18:45 CEST
Identified -
Our technical team has identified the issue with the X API. We're working on a fix to resolve the errors affecting direct message replies.
Jun 4, 18:02 CEST
Investigating -
We are currently investigating the issue.
Jun 4, 16:45 CEST