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[Bug] yt_dlp.networking.exceptions.HTTPError: HTTP Error 412: Precondition Failed #1928

Description

@ericthecleric91

Describe the bug

  1. Open parabolic
  2. input bilibili download url
  3. receive it loading it but then ;ERROR on download
Image

Describe the expected result

  1. Input bilibili url
  2. video downloads
  3. happy days.

This used to be the case but it has not worked in some time...

URL

https://www.bilibili.com/video/BV1t5411s7AA?spm_id_from=333.788.videopod.episodes&p=5

Download Options

MP4, Mp3.
Any quality, same error. happens.

Debugging Information

App: Nickvision Parabolic
Version: 2026.5.0

Operating System: Microsoft Windows 10.0.26200
Deployment Mode: Local
Locale: en-NZ
Running From: C:\Program Files\Nickvision Parabolic\Release
NativeAOT: True

Database encrypted: True
Log path: C:\Users\ameen\AppData\Local\Nickvision Parabolic\app.log

yt-dlp: 2026.6.9
deno: 2.9.0
ffmpeg: n8.1.1-8-gb21e00eda5-20260524 
aria2: 1.37.0

AllowPreviewUpdates = false
AriaMaxConnectionsPerServer = 16
AriaMinSplitSize = 20
AudioBitrate = 1.7976931348623157E+308
AudioFormatIds = {
  "Video": "BEST_AUDIO",
  "MP4": "BEST_AUDIO",
  "MKV": "BEST_AUDIO",
  "WEBM": "BEST_AUDIO",
  "MOV": "BEST_AUDIO",
  "AVI": "BEST_AUDIO",
  "Audio": "BEST_AUDIO",
  "MP3": "BEST_AUDIO",
  "M4A": "BEST_AUDIO",
  "OPUS": "BEST_AUDIO",
  "FLAC": "BEST_AUDIO",
  "WAV": "BEST_AUDIO",
  "OGG": "BEST_AUDIO"
}
AudioOnlyFileType = 7
CookiesBrowser = 5
CookiesPath = ""
CropAudioThumbnails = false
DownloadImmediately = false
DownloadImmediatelyAsAudio = True
DownloadImmediatelyAsVideo = False
EmbedChapters = false
EmbedMetadata = true
EmbedSubtitles = false
EmbedThumbnails = true
ExportDescription = False
ExportM3U = False
FullFileType = 7
IncludeAutoGeneratedSubtitles = true
IncludeMediaIdInTitle = true
installed_deno_appversion = {
  "BaseVersion": "2.9.0",
  "PreviewLabel": ""
}
installed_yt-dlp_appversion = {
  "BaseVersion": "2026.6.9",
  "PreviewLabel": ""
}
InstalledYtdlpAppVersion = {
    "BaseVersion": "2026.3.17",
    "PreviewLabel": ""
  }
LimitCharacters = true
MaxNumberOfActiveDownloads = 5
NumberTitles = True
OverwriteExistingFiles = true
PostprocessingArguments = []
PostprocessingThreads = 28
PostProcessorArgumentName = ""
PreferredAudioCodec = 0
PreferredSubtitleFormat = 0
PreferredVideoCodec = 0
PreventSuspend = false
ProxyUrl = ""
RemoveSourceData = false
ReverseDownloadOrder = False
SaveFolder = C:\Users\ameen\Downloads
ShowDisclaimerOnStartup = False
ShowDislcaimerOnStartup = false
SplitChapters = False
SubtitleLanguages = []
Theme = 2
TranslationLanguage = ""
UseAria = false
UsePartFiles = true
VideoFormatIds = {
  "Video": "BEST_VIDEO",
  "MP4": "BEST_VIDEO",
  "MKV": "BEST_VIDEO",
  "WEBM": "BEST_VIDEO",
  "MOV": "BEST_VIDEO",
  "AVI": "BEST_VIDEO",
  "Audio": "NONE_VIDEO",
  "MP3": "NONE_VIDEO",
  "M4A": "NONE_VIDEO",
  "OPUS": "NONE_VIDEO",
  "FLAC": "NONE_VIDEO",
  "WAV": "NONE_VIDEO",
  "OGG": "NONE_VIDEO"
}
VideoOnlyFileType = 1
VideoResolution = {
  "Width": 2147483647,
  "Height": 2147483647
}
WindowGeometry = {
  "Height": 700,
  "IsMaximized": false,
  "Width": 900,
  "X": 26,
  "Y": 26
}
YouTubeSponsorBlock = true
YtdlpDiscoveryArgs = ""
YtdlpDownloadArgs = ""

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