A message sent to the SUP server was directed at an application connection which is locked.
| Domain | SUP Server MessageChannel Exception |
| Number | 403 |
| Label | NO_PERMISSION |
| Applicable Platform(s) | iOS, Android, BlackBerry, Windows Mobile |
This error typically occurs when an administrator has locked an application connection, but the application continues sending messages to it.
Either unlock the application connection, or have the application stop sending messages to it.