I’m seeing a persistent Antigravity Agent failure on Windows where every Agent run terminates immediately with: Error: Agent execution terminated due to error HTTP 400 Bad Request message: “Invalid project resource name projects/” status: INVALID_ARGUMENT Debug details from Antigravity: Trajec…

Hey, I’ve the same issue. Did you found a way to fix it for your workspace account?

After working correctly for a few days, the same problem occurred here. The same troubleshooting procedure was followed, without success. Report Issue.

Thank you for bringing this to our attention. We have escalated the issue to our internal teams for a thorough investigation. To ensure our engineering team can investigate and resolve these issues effectively, we highly recommend filing bug reports directly through the Antigravity in-app feedback …

Message: "Invalid project resource name projects/" status: INVALID_ARGUMENT

Google Antigravity

John_Edmonds-Bell February 20, 2026, 8:07pm 5

I tried all sorts of fixes without success, until I read this link: Critical Bug: Persistent HTTP 400 "Invalid project resource name projects/" even after Gmail switch - #27 by mattorq

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Message: "Invalid project resource name projects/" status: INVALID_ARGUMENT

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