| Code | Description |
|---|---|
| E51001 | Invalid data format. |
| E51002 | Missing parameters. |
| E51003 | Find existed vehicle name in this organization. |
| E51004 | Find existed vehicle vin in this organization. |
| E51005 | Groups does not exist. |
| E51006 | Devices does not exist. |
| E51007 | Devices already assigned. |
| E51008 | Vehicle does not exist. |
| E51009 | Vehicle's status can not delete. |
| E51010 | Find existed group in this organization. |
| E51011 | Find duplicated data. |
| E51012 | Invalid file format. |