clockworklabs/SpacetimeDB · error · anyhow::Error

It seems like you haven't exported your schema. You must `ex

Error message

It seems like you haven't exported your schema. You must `export default schema(...);`

What it means

Error "It seems like you haven't exported your schema. You must `export default schema(...);`" thrown in clockworklabs/SpacetimeDB.

Source

Thrown at crates/cli/src/tasks/javascript.rs:287

        Option::zip(maj.parse::<u16>().ok(), min.parse::<u16>().ok())
    });

    let mut maj_sys_ver = None;
    for (maj, _min) in sys_imports {
        anyhow::ensure!(
            *maj_sys_ver.get_or_insert(maj) == maj,
            "The module pulls in 2 different versions of the `spacetimedb/server` package"
        );
    }

    let maj_sys_ver = maj_sys_ver.context(
        "Your module doesn't import the `spacetimedb/server` package at all - \
         this is likely a mistake, as your module will not be able to interface \
         with the SpacetimeDB host.",
    )?;

    if maj_sys_ver == 2 {
        anyhow::ensure!(
            output_chunk.exports.contains(&"default".into()),
            "It seems like you haven't exported your schema. You must `export default schema(...);`"
        );
    }

    Ok(project_path.join("dist").join("bundle.js"))
}

View on GitHub (pinned to 524b4487d9)

When it happens

Trigger: Thrown at crates/cli/src/tasks/javascript.rs:287 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of clockworklabs/SpacetimeDB@524b4487d9 (2026-08-16). Data as JSON: /api/errors/b24564872b562439. Report an issue: GitHub.