Error 400 "User location is not supported" in Antigravity - Gemini models not working

Hi, getting “User location is not supported for the API use”
error (HTTP 400) in Antigravity.

  • Version: 1.23.2
  • Claude models work fine, only Gemini models affected

Trajectory ID: 8bafb65c-6a5c-40ae-bf21-aee739ac7..

Has anyone else encountered this issue? Any workaround available?