Common Errors

	error code description
-1	The MQTT connection is abnormal
-2	The http status code of the client interface request is abnormal.
-3	The client fails to obtain DUIX resources
-4	Client MQTT connection failure
-5	The SDP of the WebRTC client fails to be created. Generally, the ICE Server is abnormal.
-6	The SDP on the WebRTC client fails to be set. Generally, the ICE Server is abnormal.
-7	The client session interaction is abnormal. Common causes include authentication failure and ASR resource startup failure.
1005	The token of the server cannot be empty
1006	The token server fails
1007	The server interface information does not exist
1009	The number of times that the server user can access the server is insufficient
2002	The session information on the server does not exist
40001	The server appid or appSecret is invalid
40002	An internal server error
50001	Error or empty appId
50002	The resource check fails. Please contact the administrator
50003	The resource is being used. Please check and try ~
50004	human request timed out ~
50005	Exception to obtaining resources from the resource group
50006	Failed to sign
50007	The total number of concurrent resources is insufficient. Please check and try ~
50009	The resource timed out or is not configured ~