Error Codes

Copyright (c) 2021 Tencent. All rights reserved.
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Module:   TRTC ErrorCode
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Function: Used to notify customers of warnings and errors that occur during the use of TRTC
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ErrorCode
EnumType
EnumType
DESC
TXLiteAVError
Error Codes
TXLiteAVWarning
Warning codes
TXLiteAVError
TXLiteAVError
Error CodesEnum
Value
DESC
ERR_NULL
0
No error.
ERR_FAILED
-1
Unclassified error.
ERR_INVALID_PARAMETER
-2
An invalid parameter was passed in when the API was called.
ERR_REFUSED
-3
The API call was rejected.
ERR_NOT_SUPPORTED
-4
The current API cannot be called.
ERR_INVALID_LICENSE
-5
Failed to call the API because the license is invalid.
ERR_REQUEST_SERVER_TIMEOUT
-6
The request timed out.
ERR_SERVER_PROCESS_FAILED
-7
The server cannot process your request.
ERR_DISCONNECTED
-8
Disconnected from the server.
ERR_CAMERA_START_FAIL
-1301
Failed to turn the camera on. After authorization, calling the system interface to open the camera was abnormal on mobile. This may occur when there is a problem with the camera configuration program (driver) on Windows or macOS. Disable and reenable the camera, restart the camera, or update the configuration program.
ERR_CAMERA_NOT_AUTHORIZED
-1314
No permission to access to the camera. This usually occurs on mobile devices and may be because the user denied access.
ERR_CAMERA_SET_PARAM_FAIL
-1315
Incorrect camera parameter settings (unsupported values or others).
ERR_CAMERA_OCCUPY
-1316
The camera is being used. Try another camera.
ERR_SCREEN_CAPTURE_START_FAIL
-1308
Failed to start screen recording. It occurs on a mobile device, it may be because the user denied screen sharing permission, it occurs on Windows or macOS, check whether the parameters of the screen recording API are set as required.
ERR_SCREEN_CAPTURE_UNSURPORT
-1309
Screen recording failed. Screen recording is only supported on Android versions later than 5.0 and iOS versions later than 11.0.
ERR_SCREEN_CAPTURE_STOPPED
-7001
Screen recording was stopped by the system.
ERR_SCREEN_SHARE_NOT_AUTHORIZED
-102015
No permission to publish the substream.
ERR_SCREEN_SHRAE_OCCUPIED_BY_OTHER
-102016
Another user is publishing the substream.
ERR_VIDEO_ENCODE_FAIL
-1303
Failed to encode video frames. Encoder exception caused encoding failure.
ERR_UNSUPPORTED_RESOLUTION
-1305
Unsupported video resolution.
ERR_PIXEL_FORMAT_UNSUPPORTED
-1327
Custom video capturing: Unsupported pixel format.
ERR_BUFFER_TYPE_UNSUPPORTED
-1328
Custom video capturing: Unsupported buffer type.
ERR_NO_AVAILABLE_HEVC_DECODERS
-2304
No available HEVC decoder found.
ERR_MIC_START_FAIL
-1302
Failed to turn the mic on. This may occur when there is a problem with the mic configuration program (driver) on Windows or macOS. Disable and reenable the mic, restart the mic, or update the configuration program.
ERR_MIC_NOT_AUTHORIZED
-1317
No permission to access to the mic. This usually occurs on mobile devices and may be because the user denied access.
ERR_MIC_OCCUPY
-1319
The mic is being used. The mic cannot be turned on when, for example, the user is having a call on the mobile device.
ERR_MIC_STOP_FAIL
-1320
Failed to turn the mic off.
ERR_SPEAKER_START_FAIL
-1321
Failed to turn the speaker on. This may occur when there is a problem with the speaker configuration program (driver) on Windows or macOS. Disable and reenable the speaker, restart the speaker, or update the configuration program.
ERR_SPEAKER_SET_PARAM_FAIL
-1322
Failed to set speaker parameters.
ERR_SPEAKER_STOP_FAIL
-1323
Failed to turn the speaker off.
ERR_AUDIO_PLUGIN_START_FAIL
-1330
Failed to record computer audio, which may be because the audio driver is unavailable.
ERR_AUDIO_PLUGIN_INSTALL_NOT_AUTHORIZED
-1331
No permission to install the audio driver.
ERR_AUDIO_PLUGIN_INSTALL_FAILED
-1332
Failed to install the audio driver.
ERR_AUDIO_PLUGIN_INSTALLED_BUT_NEED_RESTART
-1333
The virtual sound card is installed successfully, but due to the restrictions of macOS, you cannot use it right after installation. Ask users to restart the app upon receiving this error code.
ERR_AUDIO_ENCODE_FAIL
-1304
Failed to encode audio frames. This may occur if the SDK could not process the custom audio data passed in.
ERR_UNSUPPORTED_SAMPLERATE
-1306
Unsupported audio sample rate.
ERR_SYSTEM_LOOPBACK_START_FAILED
-1307
System audio loopback startup encountered an error. Common error reasons and solutions are: 1. The current system version does not support the include or excluded specified process loopback function, which requires Windows system version 10.0.19042 (20H2) or higher. For x64 specified path loopback function, it also requires Windows system version 10.0.19042 (20H2) or higher. Please check the current system version. 2. Invalid input parameters (including empty parameters, non-existent input paths, non-existent process IDs, and non-existent device names). Please check whether the input parameters are legal. 3. No available speaker device, please check whether it is available.
ERR_SYSTEM_LOOPBACK_THIRD_PARTY_APP_EXIT
-1324
The third party app loopback capture encountered an error. This error occurred after the third party app loopback was successfully started. During the sound collection process, the specified process or application unexpectedly exited. Please check the status of the specified process or application and try again by re-entering the process number
ERR_TRTC_ENTER_ROOM_FAILED
-3301
Failed to enter the room. For the reason, refer to the error message for -3301 in  onError .
ERR_TRTC_REQUEST_IP_TIMEOUT
-3307
IP and signature request timed out. Check your network connection and whether your firewall allows UDP.
Try visiting the IP address 162.14.22.165:8000 or 162.14.6.105:8000 and the domain default-query.trtc.tencent-cloud.com:8000.
ERR_TRTC_CONNECT_SERVER_TIMEOUT
-3308
Room entry request timed out. Check your network connection and whether VPN is used. You can also switch to 4G to run a test.
ERR_TRTC_ROOM_PARAM_NULL
-3316
Empty room entry parameters. Please check whether valid parameters were passed in to the  enterRoom:appScene:  API.
ERR_TRTC_INVALID_SDK_APPID
-3317
Incorrect room entry parameter. Check whether  TRTCParams.sdkAppId  is empty.
ERR_TRTC_INVALID_ROOM_ID
-3318
Incorrect room entry parameter. Check whether  TRTCParams.roomId  or  TRTCParams.strRoomId  is empty. Note that you cannot set both parameters.
ERR_TRTC_INVALID_USER_ID
-3319
Incorrect room entry parameter. Check whether  TRTCParams.userId  is empty.
ERR_TRTC_INVALID_USER_SIG
-3320
Incorrect room entry parameter. Check whether  TRTCParams.userSig  is empty.
ERR_TRTC_ENTER_ROOM_REFUSED
-3340
Request to enter room denied. Check whether you called  enterRoom  twice to enter the same room.
ERR_TRTC_INVALID_PRIVATE_MAPKEY
-100006
Advanced permission control is enabled but failed to verify  TRTCParams.privateMapKey .
For details, see ﻿Enabling Advanced Permission Control﻿.
ERR_TRTC_SERVICE_SUSPENDED
-100013
The service is unavailable. Check if you have used up your package or whether your Tencent Cloud account has overdue payments.
ERR_TRTC_USER_SIG_CHECK_FAILED
-100018
Failed to verify  UserSig . Check whether  TRTCParams.userSig  is correct or valid.
For details, see ﻿UserSig Generation and Verification﻿.
ERR_TRTC_PUSH_THIRD_PARTY_CLOUD_TIMEOUT
-3321
The relay to CDN request timed out
ERR_TRTC_MIX_TRANSCODING_TIMEOUT
-3322
The On-Cloud MixTranscoding request timed out.
ERR_TRTC_PUSH_THIRD_PARTY_CLOUD_FAILED
-3323
Abnormal response packets for relay.
ERR_TRTC_MIX_TRANSCODING_FAILED
-3324
Abnormal response packet for On-Cloud MixTranscoding.
ERR_TRTC_START_PUBLISHING_TIMEOUT
-3333
Signaling for publishing to the Tencent Cloud CDN timed out.
ERR_TRTC_START_PUBLISHING_FAILED
-3334
Signaling for publishing to the Tencent Cloud CDN was abnormal.
ERR_TRTC_STOP_PUBLISHING_TIMEOUT
-3335
Signaling for stopping publishing to the Tencent Cloud CDN timed out.
ERR_TRTC_STOP_PUBLISHING_FAILED
-3336
Signaling for stopping publishing to the Tencent Cloud CDN was abnormal.
ERR_TRTC_CONNECT_OTHER_ROOM_TIMEOUT
-3326
The co-anchoring request timed out.
ERR_TRTC_DISCONNECT_OTHER_ROOM_TIMEOUT
-3327
The request to stop co-anchoring timed out.
ERR_TRTC_CONNECT_OTHER_ROOM_INVALID_PARAMETER
-3328
Invalid parameter.
ERR_TRTC_CONNECT_OTHER_ROOM_AS_AUDIENCE
-3330
The current user is an audience member and cannot request or stop cross-room communication. Please call  switchRole  to switch to an anchor first.
ERR_BGM_OPEN_FAILED
-4001
Failed to open the file, such as invalid data found when processing input, ffmpeg protocol not found, etc.
ERR_BGM_DECODE_FAILED
-4002
Audio file decoding failed.
ERR_BGM_OVER_LIMIT
-4003
The number exceeds the limit, such as preloading two background music at the same time.
ERR_BGM_INVALID_OPERATION
-4004
Invalid operation, such as calling a preload function after starting playback.
ERR_BGM_INVALID_PATH
-4005
Invalid path, Please check whether the path you passed points to a legal music file.
ERR_BGM_INVALID_URL
-4006
Invalid URL, Please use a browser to check whether the URL address you passed in can download the desired music file.
ERR_BGM_NO_AUDIO_STREAM
-4007
No audio stream, Please confirm whether the file you passed is a legal audio file and whether the file is damaged.
ERR_BGM_FORMAT_NOT_SUPPORTED
-4008
Unsupported format, Please confirm whether the file format you passed is a supported file format. The mobile version supports [mp3, aac, m4a, wav, ogg, mp4, mkv], and the desktop version supports [mp3, aac, m4a, wav, mp4, mkv].
TXLiteAVWarning
TXLiteAVWarning
Warning codesEnum
Value
DESC
WARNING_HW_ENCODER_START_FAIL
1103
Failed to start the hardware encoder. Switched to software encoding.
WARNING_CURRENT_ENCODE_TYPE_CHANGED
1104
The codec changed.
The additional field  type  in  onWarning  indicates the codec currently in use.  0  indicates H.264, and  1  indicates H.265.
The additional field  hardware  in  onWarning  indicates the encoder type currently in use.  0  indicates software encoder, and  1  indicates hardware encoder.
The additional field  stream  in  onWarning  indicates the stream type currently in use.  0  indicates big stream, and  1  indicates small stream, and  2  indicates sub stream.
WARNING_VIDEO_ENCODER_SW_TO_HW
1107
Insufficient CPU for software encoding. Switched to hardware encoding.
WARNING_INSUFFICIENT_CAPTURE_FPS
1108
The capturing frame rate of the camera is insufficient. This error occurs on some Android phones with built-in beauty filters.
WARNING_SW_ENCODER_START_FAIL
1109
Failed to start the software encoder.
WARNING_REDUCE_CAPTURE_RESOLUTION
1110
The capturing frame rate of the camera was reduced for balance between frame rate and performance.
WARNING_CAMERA_DEVICE_EMPTY
1111
No available camera found.
WARNING_CAMERA_NOT_AUTHORIZED
1112
The user didn’t grant the application camera permission.
WARNING_OUT_OF_MEMORY
1113
Some functions may not work properly due to out of memory.
WARNING_CAMERA_IS_OCCUPIED
1114
The camera is occupied.
WARNING_CAMERA_DEVICE_ERROR
1115
The camera device is error.
WARNING_CAMERA_DISCONNECTED
1116
The camera is disconnected.
WARNING_CAMERA_START_FAILED
1117
The camera is started failed.
WARNING_CAMERA_SERVER_DIED
1118
The camera sever is died.
WARNING_SCREEN_CAPTURE_NOT_AUTHORIZED
1206
The user didn’t grant the application screen recording permission.
WARNING_CURRENT_DECODE_TYPE_CHANGED
2008
The codec changed. The additional field  type  in  onWarning  indicates the codec currently in use.  1  indicates H.265, and  0  indicates H.264. This field is not supported on Windows.
WARNING_VIDEO_FRAME_DECODE_FAIL
2101
Failed to decode the current video frame.
WARNING_HW_DECODER_START_FAIL
2106
Failed to start the hardware decoder. The software decoder is used instead.
WARNING_VIDEO_DECODER_HW_TO_SW
2108
The hardware decoder failed to decode the first I-frame of the current stream. The SDK automatically switched to the software decoder.
WARNING_SW_DECODER_START_FAIL
2109
Failed to start the software decoder.
WARNING_VIDEO_RENDER_FAIL
2110
Failed to render the video.
WARNING_VIRTUAL_BACKGROUND_DEVICE_UNSURPORTED
8001
The device does not support virtual background
WARNING_VIRTUAL_BACKGROUND_NOT_AUTHORIZED
8002
Virtual background not authorized
WARNING_VIRTUAL_BACKGROUND_INVALID_PARAMETER
8003
Enable virtual background with invalid parameter
WARNING_VIRTUAL_BACKGROUND_PERFORMANCE_INSUFFICIENT
8004
Virtual background performance insufficient
WARNING_MICROPHONE_DEVICE_EMPTY
1201
No available mic found.
WARNING_SPEAKER_DEVICE_EMPTY
1202
No available speaker found.
WARNING_MICROPHONE_NOT_AUTHORIZED
1203
The user didn’t grant the application mic permission.
WARNING_MICROPHONE_DEVICE_ABNORMAL
1204
The audio capturing device is unavailable (which may be because the device is used by another application or is considered invalid by the system).
WARNING_SPEAKER_DEVICE_ABNORMAL
1205
The audio playback device is unavailable (which may be because the device is used by another application or is considered invalid by the system).
WARNING_BLUETOOTH_DEVICE_CONNECT_FAIL
1207
The bluetooth device failed to connect (which may be because another app is occupying the audio channel by setting communication mode).
WARNING_MICROPHONE_IS_OCCUPIED
1208
The audio capturing device is occupied.
WARNING_AUDIO_FRAME_DECODE_FAIL
2102
Failed to decode the current audio frame.
WARNING_AUDIO_RECORDING_WRITE_FAIL
7001
Failed to write recorded audio into the file.
WARNING_MICROPHONE_HOWLING_DETECTED
7002
Detect capture audio howling
WARNING_IGNORE_UPSTREAM_FOR_AUDIENCE
6001
The current user is an audience member and cannot publish audio or video. Please switch to an anchor first.
WARNING_UPSTREAM_AUDIO_AND_VIDEO_OUT_OF_SYNC
6006
The audio or video sending timestamps are abnormal, which may cause audio and video synchronization issues.

EnumType
TXLiteAVError
TXLiteAVWarning

EnumType	DESC
TXLiteAVError	Error Codes
TXLiteAVWarning	Warning codes

Enum	Value	DESC
ERR_NULL	0	No error.
ERR_FAILED	-1	Unclassified error.
ERR_INVALID_PARAMETER	-2	An invalid parameter was passed in when the API was called.
ERR_REFUSED	-3	The API call was rejected.
ERR_NOT_SUPPORTED	-4	The current API cannot be called.
ERR_INVALID_LICENSE	-5	Failed to call the API because the license is invalid.
ERR_REQUEST_SERVER_TIMEOUT	-6	The request timed out.
ERR_SERVER_PROCESS_FAILED	-7	The server cannot process your request.
ERR_DISCONNECTED	-8	Disconnected from the server.
ERR_CAMERA_START_FAIL	-1301	Failed to turn the camera on. After authorization, calling the system interface to open the camera was abnormal on mobile. This may occur when there is a problem with the camera configuration program (driver) on Windows or macOS. Disable and reenable the camera, restart the camera, or update the configuration program.
ERR_CAMERA_NOT_AUTHORIZED	-1314	No permission to access to the camera. This usually occurs on mobile devices and may be because the user denied access.
ERR_CAMERA_SET_PARAM_FAIL	-1315	Incorrect camera parameter settings (unsupported values or others).
ERR_CAMERA_OCCUPY	-1316	The camera is being used. Try another camera.
ERR_SCREEN_CAPTURE_START_FAIL	-1308	Failed to start screen recording. It occurs on a mobile device, it may be because the user denied screen sharing permission, it occurs on Windows or macOS, check whether the parameters of the screen recording API are set as required.
ERR_SCREEN_CAPTURE_UNSURPORT	-1309	Screen recording failed. Screen recording is only supported on Android versions later than 5.0 and iOS versions later than 11.0.
ERR_SCREEN_CAPTURE_STOPPED	-7001	Screen recording was stopped by the system.
ERR_SCREEN_SHARE_NOT_AUTHORIZED	-102015	No permission to publish the substream.
ERR_SCREEN_SHRAE_OCCUPIED_BY_OTHER	-102016	Another user is publishing the substream.
ERR_VIDEO_ENCODE_FAIL	-1303	Failed to encode video frames. Encoder exception caused encoding failure.
ERR_UNSUPPORTED_RESOLUTION	-1305	Unsupported video resolution.
ERR_PIXEL_FORMAT_UNSUPPORTED	-1327	Custom video capturing: Unsupported pixel format.
ERR_BUFFER_TYPE_UNSUPPORTED	-1328	Custom video capturing: Unsupported buffer type.
ERR_NO_AVAILABLE_HEVC_DECODERS	-2304	No available HEVC decoder found.
ERR_MIC_START_FAIL	-1302	Failed to turn the mic on. This may occur when there is a problem with the mic configuration program (driver) on Windows or macOS. Disable and reenable the mic, restart the mic, or update the configuration program.
ERR_MIC_NOT_AUTHORIZED	-1317	No permission to access to the mic. This usually occurs on mobile devices and may be because the user denied access.
ERR_MIC_OCCUPY	-1319	The mic is being used. The mic cannot be turned on when, for example, the user is having a call on the mobile device.
ERR_MIC_STOP_FAIL	-1320	Failed to turn the mic off.
ERR_SPEAKER_START_FAIL	-1321	Failed to turn the speaker on. This may occur when there is a problem with the speaker configuration program (driver) on Windows or macOS. Disable and reenable the speaker, restart the speaker, or update the configuration program.
ERR_SPEAKER_SET_PARAM_FAIL	-1322	Failed to set speaker parameters.
ERR_SPEAKER_STOP_FAIL	-1323	Failed to turn the speaker off.
ERR_AUDIO_PLUGIN_START_FAIL	-1330	Failed to record computer audio, which may be because the audio driver is unavailable.
ERR_AUDIO_PLUGIN_INSTALL_NOT_AUTHORIZED	-1331	No permission to install the audio driver.
ERR_AUDIO_PLUGIN_INSTALL_FAILED	-1332	Failed to install the audio driver.
ERR_AUDIO_PLUGIN_INSTALLED_BUT_NEED_RESTART	-1333	The virtual sound card is installed successfully, but due to the restrictions of macOS, you cannot use it right after installation. Ask users to restart the app upon receiving this error code.
ERR_AUDIO_ENCODE_FAIL	-1304	Failed to encode audio frames. This may occur if the SDK could not process the custom audio data passed in.
ERR_UNSUPPORTED_SAMPLERATE	-1306	Unsupported audio sample rate.
ERR_SYSTEM_LOOPBACK_START_FAILED	-1307	System audio loopback startup encountered an error. Common error reasons and solutions are: 1. The current system version does not support the include or excluded specified process loopback function, which requires Windows system version 10.0.19042 (20H2) or higher. For x64 specified path loopback function, it also requires Windows system version 10.0.19042 (20H2) or higher. Please check the current system version. 2. Invalid input parameters (including empty parameters, non-existent input paths, non-existent process IDs, and non-existent device names). Please check whether the input parameters are legal. 3. No available speaker device, please check whether it is available.
ERR_SYSTEM_LOOPBACK_THIRD_PARTY_APP_EXIT	-1324	The third party app loopback capture encountered an error. This error occurred after the third party app loopback was successfully started. During the sound collection process, the specified process or application unexpectedly exited. Please check the status of the specified process or application and try again by re-entering the process number
ERR_TRTC_ENTER_ROOM_FAILED	-3301	Failed to enter the room. For the reason, refer to the error message for -3301 in `onError` .
ERR_TRTC_REQUEST_IP_TIMEOUT	-3307	IP and signature request timed out. Check your network connection and whether your firewall allows UDP. Try visiting the IP address 162.14.22.165:8000 or 162.14.6.105:8000 and the domain default-query.trtc.tencent-cloud.com:8000.
ERR_TRTC_CONNECT_SERVER_TIMEOUT	-3308	Room entry request timed out. Check your network connection and whether VPN is used. You can also switch to 4G to run a test.
ERR_TRTC_ROOM_PARAM_NULL	-3316	Empty room entry parameters. Please check whether valid parameters were passed in to the `enterRoom:appScene:` API.
ERR_TRTC_INVALID_SDK_APPID	-3317	Incorrect room entry parameter. Check whether `TRTCParams.sdkAppId` is empty.
ERR_TRTC_INVALID_ROOM_ID	-3318	Incorrect room entry parameter. Check whether `TRTCParams.roomId` or `TRTCParams.strRoomId` is empty. Note that you cannot set both parameters.
ERR_TRTC_INVALID_USER_ID	-3319	Incorrect room entry parameter. Check whether `TRTCParams.userId` is empty.
ERR_TRTC_INVALID_USER_SIG	-3320	Incorrect room entry parameter. Check whether `TRTCParams.userSig` is empty.
ERR_TRTC_ENTER_ROOM_REFUSED	-3340	Request to enter room denied. Check whether you called `enterRoom` twice to enter the same room.
ERR_TRTC_INVALID_PRIVATE_MAPKEY	-100006	Advanced permission control is enabled but failed to verify `TRTCParams.privateMapKey` . For details, see Enabling Advanced Permission Control.
ERR_TRTC_SERVICE_SUSPENDED	-100013	The service is unavailable. Check if you have used up your package or whether your Tencent Cloud account has overdue payments.
ERR_TRTC_USER_SIG_CHECK_FAILED	-100018	Failed to verify `UserSig` . Check whether `TRTCParams.userSig` is correct or valid. For details, see UserSig Generation and Verification.
ERR_TRTC_PUSH_THIRD_PARTY_CLOUD_TIMEOUT	-3321	The relay to CDN request timed out
ERR_TRTC_MIX_TRANSCODING_TIMEOUT	-3322	The On-Cloud MixTranscoding request timed out.
ERR_TRTC_PUSH_THIRD_PARTY_CLOUD_FAILED	-3323	Abnormal response packets for relay.
ERR_TRTC_MIX_TRANSCODING_FAILED	-3324	Abnormal response packet for On-Cloud MixTranscoding.
ERR_TRTC_START_PUBLISHING_TIMEOUT	-3333	Signaling for publishing to the Tencent Cloud CDN timed out.
ERR_TRTC_START_PUBLISHING_FAILED	-3334	Signaling for publishing to the Tencent Cloud CDN was abnormal.
ERR_TRTC_STOP_PUBLISHING_TIMEOUT	-3335	Signaling for stopping publishing to the Tencent Cloud CDN timed out.
ERR_TRTC_STOP_PUBLISHING_FAILED	-3336	Signaling for stopping publishing to the Tencent Cloud CDN was abnormal.
ERR_TRTC_CONNECT_OTHER_ROOM_TIMEOUT	-3326	The co-anchoring request timed out.
ERR_TRTC_DISCONNECT_OTHER_ROOM_TIMEOUT	-3327	The request to stop co-anchoring timed out.
ERR_TRTC_CONNECT_OTHER_ROOM_INVALID_PARAMETER	-3328	Invalid parameter.
ERR_TRTC_CONNECT_OTHER_ROOM_AS_AUDIENCE	-3330	The current user is an audience member and cannot request or stop cross-room communication. Please call `switchRole` to switch to an anchor first.
ERR_BGM_OPEN_FAILED	-4001	Failed to open the file, such as invalid data found when processing input, ffmpeg protocol not found, etc.
ERR_BGM_DECODE_FAILED	-4002	Audio file decoding failed.
ERR_BGM_OVER_LIMIT	-4003	The number exceeds the limit, such as preloading two background music at the same time.
ERR_BGM_INVALID_OPERATION	-4004	Invalid operation, such as calling a preload function after starting playback.
ERR_BGM_INVALID_PATH	-4005	Invalid path, Please check whether the path you passed points to a legal music file.
ERR_BGM_INVALID_URL	-4006	Invalid URL, Please use a browser to check whether the URL address you passed in can download the desired music file.
ERR_BGM_NO_AUDIO_STREAM	-4007	No audio stream, Please confirm whether the file you passed is a legal audio file and whether the file is damaged.
ERR_BGM_FORMAT_NOT_SUPPORTED	-4008	Unsupported format, Please confirm whether the file format you passed is a supported file format. The mobile version supports [mp3, aac, m4a, wav, ogg, mp4, mkv], and the desktop version supports [mp3, aac, m4a, wav, mp4, mkv].