When the conference-request to jicofo fails.
Indicates that the connection was dropped with an error which was most likely caused by some networking issues. The dropped term in this context means that the connection was closed unexpectedly (not on user's request).
One example is 'item-not-found' error thrown by Prosody when the BOSH session times out after 60 seconds of inactivity. On the other hand 'item-not-found' could also happen when BOSH request is sent to the server with the session-id that is not know to the server. But this should not happen in lib-jitsi-meet case as long as the service is configured correctly (there is no bug).
Not ready error. When the conference error is not ready according to jicofo.
Not specified errors.
Indicates that a password is required in order to join the conference.
Indicates that the connection was dropped, because of too many 5xx HTTP errors on BOSH requests.
The errors for the connection.