|  | CODE | MESSAGE | 
| 1001 | Server Failure | Generic server-side failure. Call a priest. | 
| 1002 | Invalid Session | Player is already connected to the same server. Primary prevention for dual logging | 
| 1003 | Invalid Username or Password |  | 
| 1004 | Server Unresponsive |  | 
| 1005 | Invalid client version | Both client and server versions must match | 
| 1006 | Disconnected |  | 
| 1007 | Server is full |  | 
| 1008 | Client banned | LOL!! Call dad. | 
| 1009 | Client already connected | Player already has an existing connection token. Secondary prevention for dual logging | 
| 1010 | Client failed to connect to Game Server | Failed to make a connection within 20 second timeout window | 
| 1011 | Client failed to switch servers | Failed to select a new server from the Server Selection window | 
| 1012 | Client failed transfer to Simulation Server |  | 
| 1013 | Client failed to reach Game Server | Client failed to connect to the selected Simulation Server (Not the same as ERR1010) | 
| 1099 | Unknown Login Failure | Should not occur. But it did. Slowly back away from computer. Call mom. |