The variable indicates if the file is valid, or, specifies invalidity reason. Each bit indicate a status or possible error that occurred: runningError (0) - an error occurred while executing the file. invalidHeader (1) - header checking failed. confirmNotReceived (2) - confirmation rejected by user or confirmation time has expired. fileNotExist (3) - file does not exist. loadFailure (4) - loading file has been failed for three successive times. crcError (5) - CRC error in file. locked (6) - denotes that currently the file cannot be modified. readOnly (7) - file cannot be deleted or modified copyInProgress (8) - file copy operation is in progress packCorrupted (9) - SW Pack is corrupted e.g. due to device flash error. migrationFailed (10) - file migration failed (example: migration from binary to text failed) migrationErrors (11) - file migration was completed but file has errors fileInUse (12) - current file is in use previousInUse (13) - current file is used as previous standbyCopyInProgress (14) - issued during copy to standby card mirroringFailure (15) - file failed to be copied to standby card fileOverflow (16) - file has reached its maximum capability