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/E302.md.
mfeflow

    MFEFLOW_E302

    A remote is not compatible with its shell.

    Fix

    Align the remote and the shell on the same major of the package, or update the "platform" range in the remote's mfeflow.app.json.