Jackett/Jackett · error · Exception

invalid passkey configured: expected length: 32, 48, or 56,

Error message

invalid passkey configured: expected length: 32, 48, or 56, got

What it means

Thrown in AnimeBytes.ApplyConfiguration when the configured passkey length is not exactly 32, 48, or 56 characters. AnimeBytes has shipped passkeys of different lengths over time; this allowlist accepts the known-good ones and rejects everything else, appending the actual length received.

Source

Thrown at src/Jackett.Common/Indexers/Definitions/AnimeBytes.cs:123

            caps.Categories.AddCategoryMapping("audio", TorznabCatType.Audio, "Music");
            caps.Categories.AddCategoryMapping("gamec[game]", TorznabCatType.PCGames, "Game");
            caps.Categories.AddCategoryMapping("gamec[visual_novel]", TorznabCatType.PCGames, "Game Visual Novel");
            caps.Categories.AddCategoryMapping("printedtype[manga]", TorznabCatType.BooksComics, "Manga");
            caps.Categories.AddCategoryMapping("printedtype[oneshot]", TorznabCatType.BooksComics, "Oneshot");
            caps.Categories.AddCategoryMapping("printedtype[anthology]", TorznabCatType.BooksComics, "Anthology");
            caps.Categories.AddCategoryMapping("printedtype[manhwa]", TorznabCatType.BooksComics, "Manhwa");
            caps.Categories.AddCategoryMapping("printedtype[light_novel]", TorznabCatType.BooksComics, "Light Novel");
            caps.Categories.AddCategoryMapping("printedtype[artbook]", TorznabCatType.BooksComics, "Artbook");

            return caps;
        }

        public override async Task<IndexerConfigurationStatus> ApplyConfiguration(JToken configJson)
        {
            LoadValuesFromJson(configJson);

            if (ConfigData.Passkey.Value.Length is not 32 and not 48 and not 56)
                throw new Exception("invalid passkey configured: expected length: 32, 48, or 56, got " + ConfigData.Passkey.Value.Length);

            var results = await PerformQuery(new TorznabQuery());
            if (!results.Any())
                throw new Exception("no results found, please report this bug");

            IsConfigured = true;
            SaveConfig();
            return IndexerConfigurationStatus.Completed;
        }

        protected override async Task<IEnumerable<ReleaseInfo>> PerformQuery(TorznabQuery query)
        {
            var releases = new List<ReleaseInfo>();

            releases.AddRange(await GetResults(query, "anime", CleanSearchTerm(query.SanitizedSearchTerm.Trim())));

            if (ContainsMusicCategories(query.Categories))
            {

View on GitHub (pinned to adff194147)

Solutions

Re-copy the passkey from the AnimeBytes profile page and trim any whitespace.
Confirm the pasted string is exactly 32, 48, or 56 characters.
If your current valid passkey is a different length, the indexer definition may need updating — report it.

Defensive patterns

Strategy: validation

Validate before calling

var passkey = ConfigData.Passkey.Value?.Trim() ?? "";
if (passkey.Length is not 32 and not 48 and not 56)
    throw new ArgumentOutOfRangeException(nameof(passkey),
        $"Passkey length {passkey.Length} is not one of 32/48/56.");

Type guard

static bool IsValidAnimeBytesPasskey(string key) =>
    !string.IsNullOrEmpty(key) && key.Length is 32 or 48 or 56;

Try / catch

if (ConfigData.Passkey.Value?.Trim().Length is not (32 or 48 or 56))
    return IndexerConfigurationStatus.RequiresTesting; // do not call ApplyConfiguration's PerformQuery
await indexer.ApplyConfiguration(configJson);

Prevention

Trim the passkey before saving.
Validate length is 32/48/56 before invoking ApplyConfiguration.
Re-copy from the AnimeBytes profile if the length is off.

When it happens

Trigger: LoadValuesFromJson runs, then the length check fails because ConfigData.Passkey.Value.Length is not in {32, 48, 56}.

Common situations: Passkey copied with leading/trailing whitespace; wrong field copied (e.g. username or a hash); passkey truncated by a copy mistake; legacy passkey format after a site-side format change.

Related errors

AI-assisted analysis of Jackett/Jackett@adff194147 (2026-08-13). Data as JSON: /api/errors/05141e6c7fc771ce. Report an issue: GitHub.