聊天室不存在。
被操作的人员不在聊天室。
操作的用户会话不存在。
Internal error.
The user being operated is not in the group.
创建群组时群成员最大数量超出限制。
群成员属性设置失败。
群组不存在。
禁言等操作的人员不在群组中。
本地数据库操作失败。
The upper limit is reached.
The message is blocked by the Moderation service.
The message content contains illegal or sensitive words.
消息内容包含非法或敏感词。
消息被 Moderation 服务拦截。
The message is not found.
User does not found.
Unknown error.
The network is disconnected, causing message sending failure.
网络断开连接导致消息发送失败。
消息修改失败。
The message to modify does not exist.
修改的消息不存在。
Unauthorized operation.
An operation that is not allowed.
Unsupported Operation.
File-downloading failed.
用户无权限。
发布自定义在线状态时，参数长度超出限制。
The parameter length exceeds the limit when posting custom presence status.
创建 Reaction 时，其他人正在创建。
A Reaction is being created by multiple users at the same time.
The request is canceled.
The parameter is invalid.
No error.
The server response times out.
A general error.
Failed to set the custom attributes of a group member.
A local database operation failed.
The user is not on your contact list, and you cannot send messages to him or her. Note: You can send messages to strangers by default. This error occurs only when you enable the function of allowing to send messages only to your contacts.
消息发送失败未知错误。
用户未在白名单中
The message fails to be delivered because the user is not on the allow list.
服务未开启。
The chatThread is not found.
chatThread 不存在。
获取第三方翻译服务失败。
传入的语言 code 不合法。
翻译的文本过长。
The user was kicked off from another device.
用户不存在。
该用户不是当前用户的好友，不能发送消息。 注意：默认是可以给陌生人发送消息的，需要开启只有好友才能发送消息的功能，才会报此错。
A general error.
The App Key is invalid.
The user authentication fails. The reasons are as follows. The SDK is not initiated. The user is not login.
The callback inner error code while the message is successfully sent.
The current user is offline.
Websocket is disconnected
Fails to get the token.
Login failed.
The token is invalid.
The user was removed.
用户被踢下线。
用户在其他设备登录。
用户已经被注销。
The user is not logged in.
The user authentication fails.
下载文件失败。
消息回调函数内部错误。
Server serving disabled.
Token expired.
未登录上传文件。
The uploading of the file failed.
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The user being operated is not in the chatroom.