| Return Code | Short Error Description
| Possible Reason for Error |
|---|
| 30001 | OUT_OF_MEMORY | An allocation error has been encountered. |
| 30002 | INVALID_COMMANDLINE | Invalid command line (invalid option, option missing value, etc.). |
| 30003 | NO_TRANSFORMATIONS | Transformation name not encountered on the command line. |
| 30004 | NO_VALUE_WITH_OPTION | Option required a value, but value was missing. |
| 30005 | OPEN_ERROR_OPTFILE | Error opening option file. |
| 30006 | OPEN_ERROR_FILTER_FILE | Error opening filter file. |
| 30007 | OPEN_ERROR_QUERY_FILE | Error opening query file. |
| 30008 | OPEN_ERROR_LICENSE_FILE | Error opening license file. |
| 30009 | UNMATCHED_QUOTE | Unmatched quote encountered. |
| 30010 | INVALID_LICENSE_FILE | Could not open license file, or Engine is not licensed. |
| 30011 | INVALID_LICENSE_PATH | License path is invalid. |
| 30012 | CREATE_ERROR_LOCK_FILE | Error encountered trying to create a lock file during Engine license checking. |
| 30013 | CREATE_ERROR_LOCK_DIR | Error encountered trying to create a lock directory during Engine license checking. |
| 30014 | LICENSED_USERS_EXCEEDED | Licensed number of users for Engine has been exceeded. |
| 30015 | TOO_MANY_TRANSFORMATIONS | More than one Transformation name is encountered on the command line. |
| 30016 | INVALID_CURRENT_PATH | Encountered invalid current path. |
| 30017 | INVALID_SAMPLE_TYPE | Encountered invalid sample type. |
| 30018 | INVALID_SAMPLE_RANGE | Error trying to set the start of count value when the sample type is not set to range. |
| 30019 | INVALID_SAMPLE_FREQUENCY | Error trying to set the frequency value when the sample type is not set to every nth. |
| 30020 | OLE_COM_INITIALIZE | Error encountered while initializing the OLE COM Library. |
| 30021 | NO_PROCESS_FILE | Specified a Process, but no Process file name was given. |
| 30022 | STEP_CREATE_ERROR | Unspecified error creating engine step (Transformation or Process). |
| 30023 | DAEMON_MODE_FAILURE | Error switching to daemon mode. |
| 30024 | ENGINE_ABORTED | Engine aborted (signal, ^C). |
| 30025 | ENGINE_STOPPED | Engine stopped. |
| 30026 | THREAD_FAIL | Unable to start HTTP (SNMP) monitor thread. |
| 30027 | NO_SERVICE | Tried to run engine as a service, but it is not licensed as a service. |
