[Resolved] Miniapps builder issue

For new miniapps and drafts it is giving back:

Error "400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.3: all messages must have non-empty content except for the optional final assistant message"},"request_id":"req_011CXfhtC4bSYCusfYMVw3SU"}", try regenerating the response