Symbian errors, an illustrated catalogue of errors
 | KErrNone | 0 | |
 | KErrNotFound | -1 | Unable to find the specified object |
 | KErrGeneral | -2 | General (unspecified) error |
 | KErrCancel | -3 | The operation was cancelled |
 | KErrNoMemory | -4 | Not enough memory |
 | KErrNotSupported | -5 | The operation requested is not supported |
 | KErrArgument | -6 | Bad request |
| KErrTotalLossOfPrecision | -7 | Total loss of precision | |
 | KErrBadHandle | -8 | Bad object |
 | KErrOverflow | -9 | Overflow |
 | KErrUnderflow | -10 | Underflow |
 | KErrAlreadyExists | -11 | Already exists |
 | KErrPathNotFound | -12 | Unable to find the specified folder |
 | KErrDied | -13 | Closed |
 | KErrInUse | -14 | The specified object is currently in use by another program |
 | KErrServerTerminated | -15 | Server has closed |
 | KErrServerBusy | -16 | Server busy |
 | KErrCompletion | -17 | Completion error |
 | KErrNotReady | -18 | Not ready |
 | KErrUnknown | -19 | Unknown error |
 | KErrCorrupt | -20 | Corrupt |
 | KErrAccessDenied | -21 | Access denied |
 | KErrLocked | -22 | Locked |
 | KErrWrite | -23 | Failed to write |
 | KErrDisMounted | -24 | Wrong disk present |
 | KErrEof | -25 | Unexpected end of file |
 | KErrDiskFull | -26 | Disk full |
 | KErrBadDriver | -27 | Bad device driver |
 | KErrBadName | -28 | Bad name |
 | KErrCommsLineFail | -29 | Comms line failed |
 | KErrCommsFrame | -30 | Comms frame error |
 | KErrCommsOverrun | -31 | Comms overrun error |
 | KErrCommsParity | -32 | Comms parity error |
 | KErrTimedOut | -33 | Timed out |
 | KErrCouldNotConnect | -34 | Failed to connect |
 | KErrCouldNotDisconnect | -35 | Failed to disconnect |
 | KErrDisconnected | -36 | Disconnected |
 | KErrBadLibraryEntryPoint | -37 | Bad library entry point |
 | KErrBadDescriptor | -38 | Bad descriptor |
 | KErrAbort | -39 | Interrupted |
 | KErrTooBig | -40 | Too big |
 | KErrDivideByZero | -41 | Divide by zero |
 | KErrBadPower | -42 | Batteries too low |
 | KErrDirFull | -43 | Folder full |
 | KErrHardwareNotAvailable | -44 | |
 | KErrSessionClosed | -45 | |
 | KErrPermissionDenied | -46 |
Original table of errors nabbed from http://newlc.com/Symbian-OS-Error-Codes.html