[Bug] Error 400 - what is it?

[hujan86]

Checklist (Your issue will be automatically closed if you delete this part)

• I make sure that there are no existing issues - open or closed - which I could contribute my information to.
• I understand that issues with limited impact, such as those occurring on specific devices or under specific network conditions, will not be fixed.
• I am able to reproduce the bug with the latest version given here: CLICK THIS LINK.
• I have attached the error report in the issue.

Describe the bug
So far only live streams by the channel "Magic Secrets Revealed" gave out the Response code 400 error, even on the latest version 4.5.

Channel URL: https://www.youtube.com/@magicsecretsrevealed/playlists

Frequency
Any live steams by Magic Secrets Revealed channel

Steps to reproduce the bug
Click on any live steams by Magic Secrets Revealed channel. Stream appears to load/initiate for a few seconds before error message pop out.

Device (e.g. Pixel 9 Pro)
Asus Zenfone 8 Flip (Android 13), Nokia X20 (Android 14)

Error report

Exception

• User Action: play stream
• Request: Player error[type=ERROR_CODE_IO_BAD_HTTP_STATUS] occurred while playing https://www.youtube.com/watch?v=rJWPS7Ox1og
• Content Country: US
• Content Language: en-US
• App Language: en_US
• Service: YouTube (Anonymous)
• Version: 4.5.0
• OS: Linux Android 14 - 34

Crash log

com.google.android.exoplayer2.ExoPlaybackException: Source error
 at com.google.android.exoplayer2.ExoPlayerImplInternal.handleIoException(ExoPlayerImplInternal.java:644)
 at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:616)
 at android.os.Handler.dispatchMessage(Handler.java:102)
 at android.os.Looper.loopOnce(Looper.java:205)
 at android.os.Looper.loop(Looper.java:294)
 at android.os.HandlerThread.run(HandlerThread.java:67)
Caused by: com.google.android.exoplayer2.upstream.HttpDataSource$InvalidResponseCodeException: Response code: 400
 at com.google.android.exoplayer2.upstream.DefaultHttpDataSource.open(DefaultHttpDataSource.java:413)
 at com.google.android.exoplayer2.upstream.DefaultDataSource.open(DefaultDataSource.java:263)
 at com.google.android.exoplayer2.upstream.StatsDataSource.open(StatsDataSource.java:84)
 at com.google.android.exoplayer2.source.hls.HlsMediaChunk.prepareExtraction(HlsMediaChunk.java:495)
 at com.google.android.exoplayer2.source.hls.HlsMediaChunk.feedDataToExtractor(HlsMediaChunk.java:468)
 at com.google.android.exoplayer2.source.hls.HlsMediaChunk.loadMedia(HlsMediaChunk.java:437)
 at com.google.android.exoplayer2.source.hls.HlsMediaChunk.load(HlsMediaChunk.java:394)
 at com.google.android.exoplayer2.upstream.Loader$LoadTask.run(Loader.java:412)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644)
 at java.lang.Thread.run(Thread.java:1012)

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Additional context
Not sure if this is related to the Error 403.

[InfinityLoop1308]

No it's not related to 403.

I think you shouldn't even be able to open it.