MLB The Show 22 has been updated to version 1.005 today by Sony San Diego Studio. You can take a look at the patch notes from here.
This is a minor hotfix that will fix a bug with the stadium creator related to some specific condition. It also resolves an issue with the 120 Hz mode when the users were trying matchmaking multiplayer online. Take a look at the list of changes that have been confirmed with the patch notes below.
MLB The Show 22 Update 1.005 Patch Notes
STADIUM CREATOR
- Fixed a bug that would cause custom stadiums to revert to a generic template after saving.
PLAYSTATION 5
- Fixed a bug that would prevent users from matchmaking online with 120hz Output enabled.