# Error Handling Guide
## `ErrorBio`[](https://developers.unico.io/docs/check/SDK/android/referencias#objeto-errorbio) Object
This object is returned whenever an error occurs in the **iOS SDK**.
### Available Methods
| Method Name | Description |
| ---------------------- | ----------------------------------------------------------------- |
| **`getCode()`** | Method used to obtain the error code that occurred. |
| **`getDescription()`** | Method used to obtain the description of the error that occurred. |
Below is a list of possible error codes from the **iOS SDK**:
| Code | Description |
| ------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `73000` | `The Session was cancelled because of an unknown and unexpected error. The Unico Check SDK leverages a variety of iOS APIs including camera, storage, security, networking, and more. This return value is a catch-all for errors experienced during normal usage of these APIs.` |
| `73001` | `Context invalid` |
| `73003` | `The API version needs to be 13 or newer.` |
| `73006` | `Unable to open camera on emulators` |
| `73100` | `Unable to connect to internet` |
| `73200` | `Could not find the unico_sdk json file` |
| `73202` | `Unable to load unico_sdk json file` |
| `73203` | `Unable to load AcessoBioConfigDataSource` |
| `73204` | `Unable to initialize the SDK, please configure the environment on setEnviroment method of build.` |
| `73300` | `Unable to get unico authentication object` |
| `73301` | `Unable to parse unico authentication object` |
| `73302` | `Could not find the unico token` |
| `73701` | `Could not find active liveness import` |
| `73702` | `Unable to initialize active liveness in production mode` |
| `73703` | `Unable to get active liveness session` |
| `73704` | `The user pressed the cancel button and did not complete the Session.` |
| `73705` | `The Session was not performed successfully and a FaceScan was not generated. In general, other statuses will be sent to the developer for specific unsuccess reasons.` |
| `73706` | `The camera access is prevented because either the user has explicitly denied permission or the user's device is configured to not allow access by a device policy.` |
| `73707` | `The Session was cancelled due to the app being terminated, put to sleep, an OS notification, or the app was placed in the background.` |
| `73708` | `The Session was cancelled because the device is in landscape mode. The user experience of devices in these orientations is poor and thus portrait is required.` |
| `73709` | `The Session was cancelled because the device is in reverse portrait mode. The user experience of devices in these orientations is poor and thus portrait is required.` |
| `73710` | `The Session was cancelled because the user was unable to complete a Session in the default allotted time or the timeout set by the developer.` |
| `73711` | `The Session was cancelled due to memory pressure.` |
| `73712` | `The Session was cancelled because your App is not in production and requires a network connection.` |
| `73713` | `The Session was cancelled because your key needs to be validated again.` |
| `73714` | `The Session was cancelled because the developer-configured encryption key was not valid.` |
| `73715` | `The Session was cancelled because not all guidance images were configured.` |
| `73716` | `The Session was cancelled because SDK was unable to start the camera on this device.` |
| `73717` | `The Session was cancelled because the user was in a locked out state.` |
| `73718` | `The Session was cancelled because of an unknown and unexpected error. SDK leverages a variety of iOS APIs including camera, storage, security, networking, and more. This return value is a catch-all for errors experienced during normal usage of these APIs.` |
| `73719` | `The Session was cancelled because the user pressed the Get Ready screen subtext message. Note: This functionality is not available by default, and must be requested from FaceTec in order to enable it.` |
| `73720` | `The Session was not processed.` |
| `73721` | `The Session can't be performed: attempts limit exceeded.` |
| `73722` | `The Session can't be performed: face alignment timeout.` |
| `73730` | `Unable to initialize an active liveness session because of an unknown and unexpected license error.` |
| `73731` | `Unable to initialize an active liveness session because the license has expired.` |
| `73800` | `Could not build encrypted key` |
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