Agent execution terminated due to error even for simple prompts

Hi Team,

I’m experiencing a critical issue with Antigravity.

The agent fails with:
“Agent execution terminated due to error”

This happens even when I type something as simple as:
“hello”

Details:

  • Happens in both old and newly created projects
  • Happens across multiple models (Gemini 3 Pro, Flash, Claude)
  • Tried clearing cache and switching networks
  • Still reproducible 100% of the time

Thanks.

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