oven-sh/bun · error · Error

Unexpected

Error message

Unexpected

What it means

Error "Unexpected" thrown in oven-sh/bun.

Source

Thrown at src/install/error.rs:205

    #[error("Lockfile validation failed: alignment mismatch")]
    LockfileValidationFailedAlignmentMismatch,
    #[error("Lockfile validation failed: unexpected number of package fields")]
    LockfileValidationFailedUnexpectedNumberOfPackageFields,
    #[error("Lockfile validation failed: invalid package list range")]
    LockfileValidationFailedInvalidPackageListRange,
    #[error("Lockfile validation failed: invalid resolution tag")]
    LockfileValidationFailedInvalidResolutionTag,
    #[error("Lockfile validation failed: invalid package meta")]
    LockfileValidationFailedInvalidPackageMeta,
    #[error("Lockfile validation failed: invalid bin tag")]
    LockfileValidationFailedInvalidBinTag,
    #[error("Lockfile validation failed: invalid package scripts")]
    LockfileValidationFailedInvalidPackageScripts,
    #[error("InvalidNPMLockfile")]
    InvalidNPMLockfile,
    #[error("NotSupported")]
    NotSupported,
    #[error("Unexpected")]
    Unexpected,
    #[error("NotSameFileSystem")]
    NotSameFileSystem,
    #[error("FailedToCopyFile")]
    FailedToCopyFile,
    #[error("InvalidBinCount")]
    InvalidBinCount,
    #[error("InvalidBinContent")]
    InvalidBinContent,

    #[error(transparent)]
    Sys(#[from] bun_errno::SystemErrno),
    #[error(transparent)]
    Alloc(#[from] bun_alloc::AllocError),
    #[error(transparent)]
    Core(#[from] bun_core::Error),
    #[error(transparent)]
    Resolver(#[from] bun_resolver::Error),

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at src/install/error.rs:205 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of oven-sh/bun@8c5296ac45 (2026-08-16). Data as JSON: /api/errors/21c7e1f7a6eeec70. Report an issue: GitHub.