| Code | Description |
|---|
| 0 | Will be returned if the command was successful. |
| 1 | Will be returned in case of an illegal argument. |
| 2 | Will be returned in case of communication error. |
| 11 | Will be returned if you try to add a group that already exists. |
| 12 | Will be returned if the group could not be added. |
| 13 | Will be returned if the group could not be added because the group member you have have tried to add does not exist. |
| 14 | Will be returned if the group could not be added because the group name was invalid. |
| 15 | Will be returned if the group could not be added because the EC type was invalid. |
| 16 | Will be returned if the group could not be added because the group member was of an invalid type. |
| 20 | Will be returned if the group could not be deleted because the group does not exist. |
| 21 | Will be returned if the group could not be deleted. |
