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/E117.md.
mfeflow

    MFEFLOW_E117

    A copied file changed since mfeflow wrote it.

    Fix

    Nothing is wrong if you changed it on purpose. mfeflow upgrade will show a diff before touching it.