# Enum.TrackerError

Roblox Engine API enum from Roblox Studio 0.744.0.7441077 (version-7aaa6838d36c4448).

- HTML page: https://rapi.sleaze.dev/enums/TrackerError/
- Roblox documentation: https://create.roblox.com/docs/reference/engine/enums/TrackerError

Status and error codes reported by the face-tracking subsystem through the `TrackerError` events on [`RTAnimationTracker`](https://rapi.sleaze.dev/classes/RTAnimationTracker.md) and [`FaceAnimatorService`](https://rapi.sleaze.dev/classes/FaceAnimatorService.md).

## Items

| Name | Value | Description |
| --- | --- | --- |
| `Ok` | 0 | No error; the tracker is operating normally. |
| `NoService` | 1 | A required engine service was unavailable when the tracker attempted to connect. |
| `InitFailed` | 2 | The tracker failed to create or initialize its tracking session. |
| `NoVideo` | 3 | Video input is unavailable because no camera device was found or the camera was disconnected. |
| `VideoError` | 4 | A generic video error occurred during face-tracking camera input processing. |
| `VideoNoPermission` | 5 | The user denied camera permission required for video-based face tracking. |
| `VideoUnsupported` | 6 | Video-based face tracking is not supported on this device or platform. |
| `NoAudio` | 7 | Audio input is unavailable because [`SoundService`](https://rapi.sleaze.dev/classes/SoundService.md) could not be found or connected. |
| `AudioError` | 8 | A generic audio error occurred during face-tracking audio input processing. |
| `AudioNoPermission` | 9 | The user denied microphone permission required for audio-based face tracking. |
| `UnsupportedDevice` | 10 | The current device or platform does not support face tracking. |

## Used by

Each entry lists the class, then the role and names of the members that use this type.

- [FaceAnimatorService](https://rapi.sleaze.dev/classes/FaceAnimatorService.md): event parameter `TrackerError`
- [RTAnimationTracker](https://rapi.sleaze.dev/classes/RTAnimationTracker.md): event parameter `TrackerError`