# UserLinkingFailureReason

Represents the failure reason.

| **NO\_USER**                   | No user present on the device. Call [`Sentiance#createUser(UserCreationOptions)`](https://docs.sentiance.com/important-topics/sdk/api-reference/sentiance#createuser) to create a user.                                                                                    |
| ------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **USER\_ALREADY\_LINKED**      | The user is already linked.                                                                                                                                                                                                                                                |
| **NETWORK\_ERROR**             | A network error occurred.                                                                                                                                                                                                                                                  |
| **SERVER\_ERROR**              | A server error occurred.                                                                                                                                                                                                                                                   |
| **USER\_DISABLED\_REMOTELY**   | The user is disabled remotely.                                                                                                                                                                                                                                             |
| **UNEXPECTED\_ERROR**          | An unexpected error occurred. Check the corresponding [UserLinkingError`#getDetails()`](https://docs.sentiance.com/important-topics/sdk/api-reference/android/userlinkingerror/..#getdetails) for more info.                                                               |
| **APP\_SIDE\_LINKING\_FAILED** | The application failed to complete the user linking step. See [`UserLinker`](https://docs.sentiance.com/important-topics/sdk/api-reference/android/userlinker), [`UserLinkerAsync`](https://docs.sentiance.com/important-topics/sdk/api-reference/android/userlinkerasync) |