Error types. 
| Enumerator | 
|---|
| ERR_NONE | No error  | 
| ERR_DEVICEOPENERROR | Error during opening device  | 
| ERR_DEVICELOCKED | Device locked  | 
| ERR_DEVICENOTEXIST | Device does not exits  | 
| ERR_DEVICEBUSY | Device is busy  | 
| ERR_DEVICENOPERMISSION | No permissions to open device  | 
| ERR_DEVICENODRIVER | No driver installed for a device  | 
| ERR_DEVICENOTWORK | Device doesn't seem to be working  | 
| ERR_DEVICEDTRRTSERROR | Error during setting DTR/RTS in device  | 
| ERR_DEVICECHANGESPEEDERROR | 10 Error during changing speed in device  | 
| ERR_DEVICEWRITEERROR | Error during writing device  | 
| ERR_DEVICEREADERROR | Error during reading device  | 
| ERR_DEVICEPARITYERROR | Can't set parity on device  | 
| ERR_TIMEOUT | Command timed out  | 
| ERR_FRAMENOTREQUESTED | Frame handled, but not requested in this moment  | 
| ERR_UNKNOWNRESPONSE | Response not handled by gammu  | 
| ERR_UNKNOWNFRAME | Frame not handled by gammu  | 
| ERR_UNKNOWNCONNECTIONTYPESTRING | Unknown connection type given by user  | 
| ERR_UNKNOWNMODELSTRING | Unknown model given by user  | 
| ERR_SOURCENOTAVAILABLE | 20 Some functions not compiled in your OS  | 
| ERR_NOTSUPPORTED | Not supported by phone  | 
| ERR_EMPTY | Empty entry or transfer end.  | 
| ERR_SECURITYERROR | Not allowed  | 
| ERR_INVALIDLOCATION | Too high or too low location...  | 
| ERR_NOTIMPLEMENTED | Function not implemented  | 
| ERR_FULL | Memory is full  | 
| ERR_UNKNOWN | Unknown response from phone  | 
| ERR_CANTOPENFILE | Error during opening file  | 
| ERR_MOREMEMORY | More memory required  | 
| ERR_PERMISSION | 30 No permission  | 
| ERR_EMPTYSMSC | SMSC number is empty  | 
| ERR_INSIDEPHONEMENU | Inside phone menu - can't make something  | 
| ERR_NOTCONNECTED | Phone NOT connected - can't make something  | 
| ERR_WORKINPROGRESS | Work in progress  | 
| ERR_PHONEOFF | Phone is disabled and connected to charger  | 
| ERR_FILENOTSUPPORTED | File format not supported by Gammu  | 
| ERR_BUG | Found bug in implementation or phone  | 
| ERR_CANCELED | Action was canceled by user  | 
| ERR_NEEDANOTHERANSWER | Inside Gammu: phone module need to send another answer frame  | 
| ERR_OTHERCONNECTIONREQUIRED | 40 You need other connectin for this operation.  | 
| ERR_WRONGCRC | Wrong CRC  | 
| ERR_INVALIDDATETIME | Invalid date/time  | 
| ERR_MEMORY | Phone memory error, maybe it is read only  | 
| ERR_INVALIDDATA | Invalid data given to phone  | 
| ERR_FILEALREADYEXIST | File with specified name already exist  | 
| ERR_FILENOTEXIST | File with specified name doesn't exist  | 
| ERR_SHOULDBEFOLDER | You have to give folder (not file) name  | 
| ERR_SHOULDBEFILE | You have to give file (not folder) name  | 
| ERR_NOSIM | Can not access SIM card  | 
| ERR_GNAPPLETWRONG | 50 Invalid gnapplet version  | 
| ERR_FOLDERPART | Only part of folders listed  | 
| ERR_FOLDERNOTEMPTY | Folder is not empty  | 
| ERR_DATACONVERTED | Data were converted  | 
| ERR_UNCONFIGURED | Gammu is not configured.  | 
| ERR_WRONGFOLDER | Wrong folder selected (eg. for SMS).  | 
| ERR_PHONE_INTERNAL | Internal phone error (phone got crazy).  | 
| ERR_WRITING_FILE | Could not write to a file (on local filesystem).  | 
| ERR_NONE_SECTION | No such section exists.  | 
| ERR_USING_DEFAULTS | Using default values.  | 
| ERR_CORRUPTED | 60 Corrupted data returned by phone.  | 
| ERR_BADFEATURE | Bad feature string.  | 
| ERR_DISABLED | Some functions not compiled in your OS  | 
| ERR_SPECIFYCHANNEL | Bluetooth configuration requires channel option.  | 
| ERR_NOTRUNNING | Service is not running.  | 
| ERR_NOSERVICE | Service setup is missing.  | 
| ERR_BUSY | Command failed. Try again.  | 
| ERR_COULDNT_CONNECT | Can not connect to server.  | 
| ERR_COULDNT_RESOLVE | Can not resolve host name.  | 
| ERR_GETTING_SMSC | Failed to get SMSC number from phone.  | 
| ERR_ABORTED | 70 Operation aborted.  | 
| ERR_INSTALL_NOT_FOUND | Installation data not found.  | 
| ERR_READ_ONLY | Entry is read only.  | 
| ERR_NETWORK_ERROR | Network error.  | 
| ERR_DB_VERSION | Invalid database version.  | 
| ERR_DB_DRIVER | Failed to initialize DB driver.  | 
| ERR_DB_CONFIG | Failed to configure DB driver.  | 
| ERR_DB_CONNECT | Failed to connect to database.  | 
| ERR_DB_TIMEOUT | Database connection timeout.  | 
| ERR_SQL | Error in executing SQL query.  | 
| ERR_LAST_VALUE | Just marker of highest error code, should not be used.  |