Must find action functions from script

[Rapha149]

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. (not possible for me)

Version of youtube-source

1.12.0

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=6nJuUdc2qNg

Code Example

N/A

Exception and Stacktrace

2025-04-22T22:02:45.630Z  INFO 1 --- [Lavalink] [  XNIO-1 task-2] l.server.player.AudioLoaderRestHandler   : Got request to load for identifier "https://www.youtube.com/watch?v=6nJuUdc2qNg"
2025-04-22T22:02:45.830Z ERROR 1 --- [Lavalink] [  XNIO-1 task-2] l.server.player.AudioLoaderRestHandler   : Failed to load track

com.sedmelluq.discord.lavaplayer.tools.FriendlyException: Something went wrong while looking up the track.
        at lavalink.server.util.LoadingKt.loadAudioItem(loading.kt:20) ~[classes!/:f7e25cc987e3807d26993e6053dcbf10c2d11764-SNAPSHOT]
        at lavalink.server.player.AudioLoaderRestHandler.loadTracks(AudioLoaderRestHandler.kt:59) ~[classes!/:f7e25cc987e3807d26993e6053dcbf10c2d11764-SNAPSHOT]
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source) ~[na:na]
        at java.base/java.lang.reflect.Method.invoke(Unknown Source) ~[na:na]
        at kotlin.reflect.jvm.internal.calls.CallerImpl$Method.callMethod(CallerImpl.kt:97) ~[kotlin-reflect-2.0.0.jar!/:2.0.0-release-341]
        at kotlin.reflect.jvm.internal.calls.CallerImpl$Method$Instance.call(CallerImpl.kt:113) ~[kotlin-reflect-2.0.0.jar!/:2.0.0-release-341]
        at kotlin.reflect.jvm.internal.KCallableImpl.callDefaultMethod$kotlin_reflection(KCallableImpl.kt:207) ~[kotlin-reflect-2.0.0.jar!/:2.0.0-release-341]
        at kotlin.reflect.jvm.internal.KCallableImpl.callBy(KCallableImpl.kt:112) ~[kotlin-reflect-2.0.0.jar!/:2.0.0-release-341]
        at org.springframework.web.method.support.InvocableHandlerMethod$KotlinDelegate.invokeFunction(InvocableHandlerMethod.java:334) ~[spring-web-6.1.9.jar!/:6.1.9]
        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:252) ~[spring-web-6.1.9.jar!/:6.1.9]
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:188) ~[spring-web-6.1.9.jar!/:6.1.9]
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:926) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:831) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:527) ~[jakarta.servlet-api-6.0.0.jar!/:6.0.0]
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) ~[spring-webmvc-6.1.8.jar!/:6.1.8]
        at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614) ~[jakarta.servlet-api-6.0.0.jar!/:6.0.0]
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at org.springframework.web.filter.AbstractRequestLoggingFilter.doFilterInternal(AbstractRequestLoggingFilter.java:289) ~[spring-web-6.1.9.jar!/:6.1.9]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.9.jar!/:6.1.9]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at lavalink.server.io.ResponseHeaderFilter.doFilterInternal(ResponseHeaderFilter.kt:17) ~[classes!/:f7e25cc987e3807d26993e6053dcbf10c2d11764-SNAPSHOT]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.9.jar!/:6.1.9]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.1.9.jar!/:6.1.9]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.9.jar!/:6.1.9]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:117) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.SendErrorPageHandler.handleRequest(SendErrorPageHandler.java:52) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:276) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:132) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:256) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:101) ~[undertow-servlet-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:393) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:859) ~[undertow-core-2.3.13.Final.jar!/:2.3.13.Final]
        at org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18) ~[jboss-threads-3.5.0.Final.jar!/:3.5.0.Final]
        at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2513) ~[jboss-threads-3.5.0.Final.jar!/:3.5.0.Final]
        at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1538) ~[jboss-threads-3.5.0.Final.jar!/:3.5.0.Final]
        at org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1282) ~[xnio-api-3.8.8.Final.jar!/:3.8.8.Final]
        at java.base/java.lang.Thread.run(Unknown Source) ~[na:na]
Caused by: com.sedmelluq.discord.lavaplayer.tools.FriendlyException: This video cannot be loaded.
        at com.sedmelluq.discord.lavaplayer.tools.ExceptionTools.wrapUnfriendlyExceptions(ExceptionTools.java:45) ~[lavaplayer-2.2.2.jar!/:na]
        at dev.lavalink.youtube.YoutubeAudioSourceManager.loadItemOnce(YoutubeAudioSourceManager.java:243) ~[youtube-plugin-1.12.0.jar!/:na]
        at dev.lavalink.youtube.YoutubeAudioSourceManager.loadItem(YoutubeAudioSourceManager.java:190) ~[youtube-plugin-1.12.0.jar!/:na]
        at com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager.checkSourcesForItemOnce(DefaultAudioPlayerManager.java:442) ~[lavaplayer-2.2.2.jar!/:na]
        at com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager.checkSourcesForItem(DefaultAudioPlayerManager.java:423) ~[lavaplayer-2.2.2.jar!/:na]
        at com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager.loadItemSync(DefaultAudioPlayerManager.java:154) ~[lavaplayer-2.2.2.jar!/:na]
        at com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager.loadItemSync(AudioPlayerManager.java:127) ~[lavaplayer-2.2.2.jar!/:na]
        at lavalink.server.util.LoadingKt.loadAudioItem(loading.kt:15) ~[classes!/:f7e25cc987e3807d26993e6053dcbf10c2d11764-SNAPSHOT]
        ... 65 common frames omitted
Caused by: java.lang.IllegalStateException: Must find action functions from script: /s/player/6450230e/player_ias.vflset/de_DE/base.js
        at dev.lavalink.youtube.cipher.SignatureCipherManager.extractFromScript(SignatureCipherManager.java:279) ~[youtube-plugin-1.12.0.jar!/:na]
        at dev.lavalink.youtube.cipher.SignatureCipherManager.getCipherScript(SignatureCipherManager.java:238) ~[youtube-plugin-1.12.0.jar!/:na]
        at dev.lavalink.youtube.clients.skeleton.NonMusicClient.loadTrackInfoFromInnertube(NonMusicClient.java:110) ~[youtube-plugin-1.12.0.jar!/:na]
        at dev.lavalink.youtube.clients.skeleton.NonMusicClient.loadVideo(NonMusicClient.java:383) ~[youtube-plugin-1.12.0.jar!/:na]
        at dev.lavalink.youtube.YoutubeAudioSourceManager.lambda$routeFromVideoId$7(YoutubeAudioSourceManager.java:357) ~[youtube-plugin-1.12.0.jar!/:na]
        at dev.lavalink.youtube.YoutubeAudioSourceManager.loadItemOnce(YoutubeAudioSourceManager.java:225) ~[youtube-plugin-1.12.0.jar!/:na]
        ... 71 common frames omitted
        Suppressed: dev.lavalink.youtube.ClientInformation: 
  yts.version: 1.12.0
  client.identifier: WEB_EMBEDDED_PLAYER
  client.options: ClientOptions{playback=true, playlistLoading=true, videoLoading=true, searching=true}

What is your client configuration?

Music, Tv, TvHtml5Embedded, AndroidVr, MWeb, Web, WebEmbedded

[Vic378]

I have the same issue

everyone does.

[hysxng]

2025-04-23T06:03:32.928Z ERROR 47368 --- [Lavalink] [back-1-thread-1] c.s.d.l.t.p.LocalAudioTrackExecutor : Error in playback of cnLl_Wi3JD4

com.sedmelluq.discord.lavaplayer.tools.FriendlyException: Something broke when playing the track.
at com.sedmelluq.discord.lavaplayer.tools.ExceptionTools.wrapUnfriendlyExceptions(ExceptionTools.java:45) ~[lavaplayer-2.2.2.jar!/:na]
at com.sedmelluq.discord.lavaplayer.track.playback.LocalAudioTrackExecutor.execute(LocalAudioTrackExecutor.java:121) ~[lavaplayer-2.2.2.jar!/:na]
at com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager.lambda$executeTrack$2(DefaultAudioPlayerManager.java:339) ~[lavaplayer-2.2.2.jar!/:na]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[na:na]
Caused by: java.lang.IllegalStateException: Must find action functions from script: /s/player/6450230e/player_ias.vflset/ko_KR/base.js
at dev.lavalink.youtube.cipher.SignatureCipherManager.extractFromScript(SignatureCipherManager.java:279) ~[youtube-plugin-1.12.0.jar!/:na]
at dev.lavalink.youtube.cipher.SignatureCipherManager.getCipherScript(SignatureCipherManager.java:238) ~[youtube-plugin-1.12.0.jar!/:na]
at dev.lavalink.youtube.clients.skeleton.NonMusicClient.loadTrackInfoFromInnertube(NonMusicClient.java:110) ~[youtube-plugin-1.12.0.jar!/:na]
at dev.lavalink.youtube.clients.skeleton.StreamingNonMusicClient.loadFormats(StreamingNonMusicClient.java:35) ~[youtube-plugin-1.12.0.jar!/:na]
at dev.lavalink.youtube.track.YoutubeAudioTrack.loadBestFormatWithUrl(YoutubeAudioTrack.java:208) ~[youtube-plugin-1.12.0.jar!/:na]
at dev.lavalink.youtube.track.YoutubeAudioTrack.processWithClient(YoutubeAudioTrack.java:145) ~[youtube-plugin-1.12.0.jar!/:na]
at dev.lavalink.youtube.track.YoutubeAudioTrack.process(YoutubeAudioTrack.java:93) ~[youtube-plugin-1.12.0.jar!/:na]
at com.sedmelluq.discord.lavaplayer.track.playback.LocalAudioTrackExecutor.execute(LocalAudioTrackExecutor.java:109) ~[lavaplayer-2.2.2.jar!/:na]
... 4 common frames omitted
Suppressed: dev.lavalink.youtube.ClientInformation:
yts.version: 1.12.0
client.identifier: TVHTML5
client.options: ClientOptions{playback=true, playlistLoading=false, videoLoading=false, searching=false}

I am also having this problem. Please fix this issue ASAP.

[buckydevv]

how long does it usually take for a fix?

[5wi5wi]

same but client.identifier: ANDROID_VR

how long does it usually take for a fix?

Depends on the devs for the plugin

[5wi5wi]

the latest snapshot have the same issue c9e52a450ac8fc47aee537f62ff293642d17cff5

You will just have to wait for the release to be out.

[Gurkirat-Khaira]

same issue, i hope u devs are working on it.

[Rapha149]

Please don't comment if you are having the same problem, just give the original post a thumbsup for example. Otherwise everyone subscribed to this issue will get a notification. As one of the devs has already linked several other issues to this one we can conclude that they are aware of it, but asking them to fix it faster won't help.