astral-sh/uv · error

Failed to find the {name}'s version in the frozen lockfile

Error message

Failed to find the {name}'s version in the frozen lockfile

What it means

Error "Failed to find the {name}'s version in the frozen lockfile" thrown in astral-sh/uv.

Source

Thrown at crates/uv/src/commands/project/version.rs:519

    )
    .await
    {
        Ok(result) => result.into_lock(),
        Err(ProjectError::Operation(err)) => {
            return diagnostics::OperationDiagnostic::default()
                .report(err)
                .map_or(Ok(ExitStatus::Failure), |err| Err(err.into()));
        }
        Err(err) => return Err(err.into()),
    };

    // Try to find the package of interest in the lock
    let Some(package) = lock
        .packages()
        .iter()
        .find(|package| package.name() == name)
    else {
        return Err(anyhow!(
            "Failed to find the {name}'s version in the frozen lockfile"
        ));
    };
    let Some(version) = package.version() else {
        return Err(anyhow!(
            "Failed to find the {name}'s version in the frozen lockfile"
        ));
    };

    // Finally, print!
    let old_version = ProjectVersionInfo::new(Some(name), version);
    print_version(old_version, None, short, output_format, printer)?;

    Ok(ExitStatus::Success)
}

/// Re-lock and re-sync the project after a series of edits.
async fn lock_and_sync(

View on GitHub (pinned to f1a42680ff)

When it happens

Trigger: Thrown at crates/uv/src/commands/project/version.rs:519 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of astral-sh/uv@f1a42680ff (2026-08-16). Data as JSON: /api/errors/88899f2ae34d31ce. Report an issue: GitHub.