I did the solution suggestions you suggested, my problem continues. I have been following the problem since I last wrote. I discovered that the users who have this problem have non-English characters in their usernames. Could there be a problem with this? There is no problem with the other usernames that have English characters.
Error: Chatbot: There was a problem with Chat Completion: status: 400, message: Invalid 'messages[1].name': string does not match pattern. Expected a string that matches the pattern '^[a-zA-Z0-9_-]+$'.
unicode usernames → This setting is on