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/E504.md.
mfeflow

    MFEFLOW_E504

    The remote is over its first-load JS budget.

    Fix

    Cut what the remote loads first, or raise budgets.initialJsKb in its mfeflow.app.json on purpose. Nothing was uploaded. See https://mfeflow.github.io/mfeflow/guide/deploy-and-rollback.