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/E303.md.
mfeflow

    MFEFLOW_E303

    A runtime plugin imports a shared module.

    Fix

    Runtime plugins run before the share scope exists. Keep them dependency free and report through window.