| HTTP Response Code | Error Code | Description | Observation |
|---|---|---|---|
| 404 | 1 | User not found | |
| 200 | 2 | Parameters have not been sent | returns HTTP code 200 because of angular pre-flight request |
| 401 | 3 | Logout Successful | |
| 401 | 4 | Logout Unsuccessful | |
| 501 | 5 | Unknown Verb/Controller | |
| 401 | 6 | User not Logged | |
| 405 | 7 | Wrong HTTP Method | |
| 401 | 8 | User not Authorized | |
| 204 | 9 | Table requested is empty | |
| 409 | 10 | Couldn't Insert | |
| 404 | 11 | Couldn't Edit | |
| 404 | 12 | Couldn't Delete |