Youtube Playback Error

[PatalJunior]

Basic Troubleshooting

• I have checked for similar issues (open AND closed), and my issue is not a duplicate. (MANDATORY)
• I have checked for pull requests that may already address my issue. (MANDATORY)
• I am using (and my issue is reproducible on) the latest version of youtube-source.
• My issue is reproducible with IPv6 rotation.
• I DO NOT confirm that this has been filled out truthfully.

Version of youtube-source

1.14.0

The search query/queries, URL(s), playlist ID(s)/URL(s) or video ID(s)/URL(s) that triggered the issue

https://www.youtube.com/watch?v=hRgcgcTP7nM

Code Example

Lavalink plugin integration

Exception and Stacktrace

0:0:0:0:0:0:0:1
Oct 09 22:13:35 debian-server java[258847]: 2025-10-09T22:13:35.764+01:00  INFO 258847 --- [Lavalink] [  XNIO-1 task-3] l.server.io.RequestLoggingFilter         : PATCH /v4/sessions/0ru8xbzz2z2fhitm/players/1112469821876097056?noReplace=False, client=0:0:0:0:0:0:0:1, payload={"encodedTrack": "QAAAuQMAGFN1YiBGb2N1cyAtIFNvbGFyIFN5c3RlbQAPVUtGIERydW0gJiBCYXNzAAAAAAAEZQAAC2hSZ2NnY1RQN25NAAEAK2h0dHBzOi8vd3d3LnlvdXR1YmUuY29tL3dhdGNoP3Y9aFJnY2djVFA3bk0BADRodHRwczovL2kueXRpbWcuY29tL3ZpL2hSZ2NnY1RQN25NL21heHJlc2RlZmF1bHQuanBnAAAHeW91dHViZQAAAAAAAAAA", "position": "0"}
Oct 09 22:13:37 debian-server java[258847]: 2025-10-09T22:13:37.005+01:00  WARN 258847 --- [Lavalink] [back-1-thread-1] c.s.d.l.t.p.LocalAudioTrackExecutor      : Suspicious exception for playback of hRgcgcTP7nM
Oct 09 22:13:37 debian-server java[258847]: com.sedmelluq.discord.lavaplayer.tools.FriendlyException: Something went wrong when decoding the track.
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeAudioTrack.process(YoutubeAudioTrack.java:131) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.track.playback.LocalAudioTrackExecutor.execute(LocalAudioTrackExecutor.java:109) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager.lambda$executeTrack$2(DefaultAudioPlayerManager.java:339) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[na:na]
Oct 09 22:13:37 debian-server java[258847]:         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na]
Oct 09 22:13:37 debian-server java[258847]:         at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na]
Oct 09 22:13:37 debian-server java[258847]: Caused by: java.lang.IllegalStateException: Expected decoding to halt, got: 5
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.natives.aac.AacDecoder.resolveStreamInfo(AacDecoder.java:229) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.container.common.AacPacketRouter.processInput(AacPacketRouter.java:43) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.container.mpeg.MpegAacTrackConsumer.consume(MpegAacTrackConsumer.java:79) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.container.mpeg.reader.standard.MpegStandardFileTrackProvider.provideFrames(MpegStandardFileTrackProvider.java:75) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeMpegStreamAudioTrack.processSegmentStream(YoutubeMpegStreamAudioTrack.java:216) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeMpegStreamAudioTrack.processNextSegment(YoutubeMpegStreamAudioTrack.java:182) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeMpegStreamAudioTrack.processNextSegmentWithRetry(YoutubeMpegStreamAudioTrack.java:143) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeMpegStreamAudioTrack.execute(YoutubeMpegStreamAudioTrack.java:115) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeMpegStreamAudioTrack.lambda$process$0(YoutubeMpegStreamAudioTrack.java:68) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.track.playback.LocalAudioTrackExecutor.executeProcessingLoop(LocalAudioTrackExecutor.java:261) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.track.playback.LocalAudioTrackExecutor.executeProcessingLoop(LocalAudioTrackExecutor.java:234) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeMpegStreamAudioTrack.process(YoutubeMpegStreamAudioTrack.java:68) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at com.sedmelluq.discord.lavaplayer.track.DelegatedAudioTrack.processDelegate(DelegatedAudioTrack.java:25) ~[lavaplayer-2.2.3.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeAudioTrack.processStream(YoutubeAudioTrack.java:201) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeAudioTrack.processWithClient(YoutubeAudioTrack.java:153) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         at dev.lavalink.youtube.track.YoutubeAudioTrack.process(YoutubeAudioTrack.java:94) ~[youtube-plugin-1.14.0.jar!/:na]
Oct 09 22:13:37 debian-server java[258847]:         ... 5 common frames omitted
Oct 09 22:14:39 debian-server java[258847]: 2025-10-09T22:14:39.924+01:00  INFO 258847 --- [Lavalink] [  XNIO-1 task-3] l.server.io.RequestLoggingFilter         : PATCH /v4/sessions/0ru8xbzz2z2fhitm/players/1112469821876097056, client=0:0:0:0:0:0:0:1, payload={"paused": true}
q^C

What is your client configuration?

plugins:
 youtube:
    remoteCipher:
      url: "http://localhost:8001"
      password: "mypassword"
      userAgent: "Lavalink"
    enabled: true
    allowSearch: true
    allowDirectVideoIds: true
    allowDirectPlaylistIds: true
    clients:
      - WEB
      - MUSIC

lavalink:
  plugins:
     - dependency: "dev.lavalink.youtube:youtube-plugin:1.14.0"
       snapshot: false

[AdnanBinPulok]

SAME HERE: with the latest build 1.16.0

2025-11-10T15:57:59.387+01:00  INFO 27 --- [Lavalink] [  XNIO-1 task-2] l.server.io.RequestLoggingFilter         : GET /v4/loadtracks?identifier=https://www.youtube.com/watch?v%3D****, client=**** 
2025-11-10T15:57:59.632+01:00  INFO 27 --- [Lavalink] [  XNIO-1 task-2] l.server.io.RequestLoggingFilter         : PATCH /v4/sessions/****/players/****?noReplace=False, client=****, payload={"track": {"encoded": "****", "userData": {}}, "volume": 100, "position": 0, "endTime": null, "paused": false, "filters": {"equalizer": [{"band": 0, "gain": 0.0}, {"band": 1, "gain": 0.0}, {"band": 2, "gain": 0.0}, {"band": 3, "gain": 0.0}, {"band": 4, "gain": 0.0}, {"band": 5, "gain": 0.0}, {"band": 6, "gain": 0.0}, {"band": 7, "gain": 0.0}, {"band": 8, "gain": 0.0}, {"band": 9, "gain": 0.0}, {"band": 10, "gain": 0.0}, {"band": 11, "gain": 0.0}, {"band": 12, "gain": 0.0}, {"band": 13, "gain": 0.0}, {"band": 14, "gain": 0.0}]}}
2025-11-10T15:58:00.256+01:00 ERROR 27 --- [Lavalink] [back-1-thread-1] d.l.y.c.LocalSignatureCipherManager      : Problematic YouTube player script /s/player/****/player_ias.vflset/en_US/base.js detected (issue detected with script: must find sig function). Dumped to /tmp/lavaplayer-yt-player-script****.js (Source version: 1.16.0)
2025-11-10T15:58:00.446+01:00 ERROR 27 --- [Lavalink] [back-1-thread-1] c.s.d.l.t.p.LocalAudioTrackExecutor      : Error in playback of ****
com.sedmelluq.discord.lavaplayer.tools.FriendlyException: Something broke when playing the track.
        at com.sedmelluq.discord.lavaplayer.tools.ExceptionTools.wrapUnfriendlyExceptions(ExceptionTools.java:45) ~[lavaplayer-2.2.3.jar!/:na]
        at com.sedmelluq.discord.lavaplayer.track.playback.LocalAudioTrackExecutor.execute(LocalAudioTrackExecutor.java:121) ~[lavaplayer-2.2.3.jar!/:na]
        at com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager.lambda$executeTrack$2(DefaultAudioPlayerManager.java:339) ~[lavaplayer-2.2.3.jar!/:na]
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[na:na]
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na]
        at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na]
Caused by: dev.lavalink.youtube.cipher.ScriptExtractionException: Must find sig function from script: /s/player/****/player_ias.vflset/en_US/base.js
        at dev.lavalink.youtube.cipher.LocalSignatureCipherManager.scriptExtractionFailed(LocalSignatureCipherManager.java:324) ~[youtube-plugin-1.16.0.jar!/:na]
        at dev.lavalink.youtube.cipher.LocalSignatureCipherManager.extractFromScript(LocalSignatureCipherManager.java:301) ~[youtube-plugin-1.16.0.jar!/:na]
        at dev.lavalink.youtube.cipher.LocalSignatureCipherManager.getCipherScript(LocalSignatureCipherManager.java:206) ~[youtube-plugin-1.16.0.jar!/:na]
        at dev.lavalink.youtube.cipher.LocalSignatureCipherManager.resolveFormatUrl(LocalSignatureCipherManager.java:126) ~[youtube-plugin-1.16.0.jar!/:na]
        at dev.lavalink.youtube.track.YoutubeAudioTrack.loadBestFormatWithUrl(YoutubeAudioTrack.java:225) ~[youtube-plugin-1.16.0.jar!/:na]
        at dev.lavalink.youtube.track.YoutubeAudioTrack.processWithClient(YoutubeAudioTrack.java:151) ~[youtube-plugin-1.16.0.jar!/:na]
        at dev.lavalink.youtube.track.YoutubeAudioTrack.process(YoutubeAudioTrack.java:97) ~[youtube-plugin-1.16.0.jar!/:na]
        at com.sedmelluq.discord.lavaplayer.track.playback.LocalAudioTrackExecutor.execute(LocalAudioTrackExecutor.java:109) ~[lavaplayer-2.2.3.jar!/:na]
        ... 4 common frames omitted
        Suppressed: dev.lavalink.youtube.ClientInformation: 
  yts.version: 1.16.0
  client.identifier: ****
  client.options: ClientOptions{playback=true, playlistLoading=true, videoLoading=true, searching=true}
2025-11-10T15:58:00.753+01:00  INFO 27 --- [Lavalink] [  XNIO-1 task-2] l.server.io.RequestLoggingFilter         : DELETE /v4/sessions/****/players/****, client=****

[OxydeBots]

Use yt-cipher