> ## Documentation Index
> Fetch the complete documentation index at: https://docs.stmlink.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 错误码

> iOS SRTC 音视频 SDK 错误码枚举与处理说明

### RTCEngineError

错误码

| **枚举名**                            |  **枚举值** | **说明**    |
| ---------------------------------- | :------: | --------- |
| RTCEngineErrorOK                   |    `0`   | 无错误       |
| **系统级错误码**                         |          |           |
| RTCEngineErrorSystemError          | `100001` | 系统内部错误    |
| RTCEngineErrorNotInitialized       | `100002` | 未初始化      |
| RTCEngineErrorMediaNotInitialized  | `100003` | 媒体模块尚未初始化 |
| RTCEngineErrorProtocolParsingError | `100004` | 协议解析错误    |
| **通用错误码**                          |          |           |
| RTCEngineErrorTimeout              | `100005` | 超时        |
| RTCEngineErrorInvalidArgs          | `100006` | 参数错误      |
| RTCEngineErrorConflict             | `100007` | 重复操作冲突    |
| RTCEngineErrorSdkTokenInvalid      | `100008` | 令牌失效      |
| **网络错误码**                          |          |           |
| RTCEngineErrorNetError             | `100009` | 网络错误      |
| RTCEngineErrorMediaNetError        | `100010` | 媒体网络错误    |
| RTCEngineErrorNotFound             | `100011` | 目标不存在     |
| **客户端错误码**                         |          |           |
| RTCEngineErrorDeviceNoAuthorized   | `103001` | 设备访问无权限   |
| RTCEngineErrorNotJoinedChannel     | `103002` | 未加入频道     |
| RTCEngineErrorForbidden            | `103003` | 操作不被允许    |
| RTCEngineErrorStreamNotFound       | `103004` | 码流不存在     |