What does error E‑COOK‑99 (Version Mismatch) mean? — Overcooked! All You Can Eat! Help Center

What does error E‑COOK‑99 (Version Mismatch) mean?

Last Updated: 30d

This error means you and the host are on different game versions.

Try this:

Update Overcooked! All You Can Eat on your platform.
Ask the host and all players to update as well.