ERROR Unable to submit request because it must include at least one parts field

Gemini API
1

Hi, I usually get error as following.

Any one know why?

  • Mode: Gemini-2.0-flash-thinking-exp-01-21

  • Vertex AI

ERROR Unable to submit request because it must include at least one parts field, which describes the prompt input.

error-ai-1.jpg
error-ai-1.jpg1584×403 34 KB

3

The same thing happens to us directly from the API