Error 002_021 appears when trying to create or join a party in Fall Guys

You may see Error 002_021 in Fall Guys when trying to create or join a party. This can happen due to temporary file corruption or a failed update.

1. Open the Epic Games Launcher.
2. Click on Library.
3. Find Fall Guys and click the three dots next to it.
4. Select Uninstall.
5. After the uninstall completes, click Install to download the game again.

Note: Reinstalling replaces any corrupted or missing files that may be causing the error.