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/E105.md.
mfeflow

    MFEFLOW_E105

    A path points outside the project.

    Fix

    Use paths relative to the project root, with forward slashes and no "..".