MyChat Client error #0055: a chatroom with this UID is not registered
Error
Error #0055: a chatroom with this UID is not registered
Error description
An incorrect unique identifier is specified for a conference that does not exist. There is no conference with such an identifier and never was, because they are all unique and do not repeat within the server.
Problem solution
The error can occur in various situations: while renaming a conference, receiving information, or sending a message via third-party software (or Integration API).
Make sure that you use a correct number for a conference. All working (online) conference are in the one list on Admin Panel, the section "Conferences", "Active conferences".