EDIT: In the time it took me to write this up, it looks to be resolved. Sorry about the bug report.
Try to connect to any place in Studio, Team Create or not.
Server Save Failure: HTTP (504): Gateway Time-out in Studio Output right before it booted me out and I couldn’t access my places anymore.
To load into my Studio place and edit it
Issue Area: Studio
Issue Type: Connectivity
Impact: Very High
Date First Experienced: 2023-03-02 17:03:00 (-08:00)