|   |   | 
| OnError Triggered when an ERROR message is received from the server | 
| Parameters | 
|  | 
| Window | 
| Console | 
| Description | 
| Triggered when an ERROR message is received from the server. $0 is the message (server) source but be aware that it often happens to be empty. Calling 'halt' in this event will stop the default output. |