[GH-ISSUE #870] Error running deno process (returncode: 1) #527

New issue

Closed

opened 2026-02-27 23:01:17 +03:00 by kerem · 2 comments

kerem commented

2026-02-27 23:01:17 +03:00

Owner

Originally created by @Thorsten1982 on GitHub (Feb 4, 2026).
Original GitHub issue: https://github.com/sigma67/ytmusicapi/issues/870

[x ] I confirm that I have read the FAQ

Describe the bug

When I try to play something via YouTube Music using MusicAssistant, I get an error and nothing plays.

ytmusicapi version

v1.11.5

To Reproduce

Steps to reproduce the behavior:
Open MA, search for a song or album and try to play it.

Additional context

WARNING: [youtube] [jsc] Error solving 2 challenge requests using "deno" provider: Error running deno process (returncode: 1): error: Uncaught (in promise) "found 0 sig function possibilities".

requests = [JsChallengeRequest(type=<JsChallengeType.N: 'n'>, input=NChallengeInput(player_url='https://www.youtube.com/s/player/4e51e895/player_ias.vflset/en_US/base.js', challenges=['JvdGEkbIHbuePFhbD', 'PbJL-UO-lNke8iQrm']), video_id='dQw4w9WgXcQ'), JsChallengeRequest(type=<JsChallengeType.SIG: 'sig'>, input=SigChallengeInput(player_url='https://www.youtube.com/s/player/4e51e895/player_ias.vflset/en_US/base.js', challenges=['\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghi', '\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklm']), video_id='dQw4w9WgXcQ')]

Please report this issue on https://github.com/yt-dlp/yt-dlp/issues?q= , filling out the appropriate issue template. Confirm you are on the latest version using yt-dlp -U

WARNING: [youtube] dQw4w9WgXcQ: Signature solving failed: Some formats may be missing. Ensure you have a supported JavaScript runtime and challenge solver script distribution installed. Review any warnings presented before this message. For more details, refer to https://github.com/yt-dlp/yt-dlp/wiki/EJS

WARNING: [youtube] dQw4w9WgXcQ: n challenge solving failed: Some formats may be missing. Ensure you have a supported JavaScript runtime and challenge solver script distribution installed. Review any warnings presented before this message. For more details, refer to https://github.com/yt-dlp/yt-dlp/wiki/EJS

WARNING: Only images are available for download. use --list-formats to see them

ERROR: [youtube] dQw4w9WgXcQ: Requested format is not available. Use --list-formats for a list of available formats

2026-02-04 08:25:54.450 ERROR (MainThread) [music_assistant.webserver] Error handling message: config/providers/reload: ERROR: [youtube] dQw4w9WgXcQ: Requested format is not available. Use --list-formats for a list of available formats - [ ]

Originally created by @Thorsten1982 on GitHub (Feb 4, 2026). Original GitHub issue: https://github.com/sigma67/ytmusicapi/issues/870 - [x ] I confirm that I have read the [FAQ](https://ytmusicapi.readthedocs.io/en/stable/faq.html#why-is-ytmusicapi-returning-more-results-than-requested-with-the-limit-parameter) **Describe the bug** When I try to play something via YouTube Music using MusicAssistant, I get an error and nothing plays. **ytmusicapi version** v1.11.5 **To Reproduce** Steps to reproduce the behavior: Open MA, search for a song or album and try to play it. **Additional context** ``` WARNING: [youtube] [jsc] Error solving 2 challenge requests using "deno" provider: Error running deno process (returncode: 1): error: Uncaught (in promise) "found 0 sig function possibilities". requests = [JsChallengeRequest(type=<JsChallengeType.N: 'n'>, input=NChallengeInput(player_url='https://www.youtube.com/s/player/4e51e895/player_ias.vflset/en_US/base.js', challenges=['JvdGEkbIHbuePFhbD', 'PbJL-UO-lNke8iQrm']), video_id='dQw4w9WgXcQ'), JsChallengeRequest(type=<JsChallengeType.SIG: 'sig'>, input=SigChallengeInput(player_url='https://www.youtube.com/s/player/4e51e895/player_ias.vflset/en_US/base.js', challenges=['\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghi', '\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklm']), video_id='dQw4w9WgXcQ')] Please report this issue on https://github.com/yt-dlp/yt-dlp/issues?q= , filling out the appropriate issue template. Confirm you are on the latest version using yt-dlp -U WARNING: [youtube] dQw4w9WgXcQ: Signature solving failed: Some formats may be missing. Ensure you have a supported JavaScript runtime and challenge solver script distribution installed. Review any warnings presented before this message. For more details, refer to https://github.com/yt-dlp/yt-dlp/wiki/EJS WARNING: [youtube] dQw4w9WgXcQ: n challenge solving failed: Some formats may be missing. Ensure you have a supported JavaScript runtime and challenge solver script distribution installed. Review any warnings presented before this message. For more details, refer to https://github.com/yt-dlp/yt-dlp/wiki/EJS WARNING: Only images are available for download. use --list-formats to see them ERROR: [youtube] dQw4w9WgXcQ: Requested format is not available. Use --list-formats for a list of available formats 2026-02-04 08:25:54.450 ERROR (MainThread) [music_assistant.webserver] Error handling message: config/providers/reload: ERROR: [youtube] dQw4w9WgXcQ: Requested format is not available. Use --list-formats for a list of available formats - [ ] ```

kerem

2026-02-27 23:01:17 +03:00

closed this issue
added the
invalid
label

kerem commented

2026-02-27 23:01:17 +03:00

Author

Owner

@sigma67 commented on GitHub (Feb 4, 2026):

Not sure how you ended up here, the error tells you to report to yt-dlp?

@sigma67 commented on GitHub (Feb 4, 2026): Not sure how you ended up here, the error tells you to report to yt-dlp?

kerem commented

2026-02-27 23:01:17 +03:00

Author

Owner

@Thorsten1982 commented on GitHub (Feb 4, 2026):

Sorry you are right, you can close this issue

@Thorsten1982 commented on GitHub (Feb 4, 2026): Sorry you are right, you can close this issue

kerem referenced this issue

2026-02-27 23:01:48 +03:00

[PR #527] [MERGED] Fix OAUTH_CUSTOM_FULL mode #638