For AI agents: the complete documentation index is available at https://mfeflow.github.io/mfeflow/llms.txt, the full documentation bundle is available at https://mfeflow.github.io/mfeflow/llms-full.txt, and this page is available as Markdown at https://mfeflow.github.io/mfeflow/errors/E507.md.
mfeflow

    MFEFLOW_E507

    There is no build output to deploy.

    Fix

    Run pnpm build in the remote first. The build folder needs an mf-manifest.json, and the remote needs a version in package.json or --version. See https://mfeflow.github.io/mfeflow/guide/deploy-and-rollback.