Model: gemini-3-pro-image-preview
Project ID: gen-lang-client-08968833..
Region: us-central1
Billing: enabled
Vertex AI API: enabled
Use case: generating image for educational purpose
Also, why do I need to request for access like this? I viewed other similar post hence created the post. I am getting below error
```google.genai.errors.ClientError: 404 NOT_FOUND. {‘error’: {‘code’: 404, ‘message’: 'Publisher Model projects/gen-lang-client-08968833../locations/us-central1/publishers/google/models/gemini-3-pro-image-preview was not found or your project does not have access to it. Please ensure you are using a valid model version. For more information, see: Model versions and lifecycle | Generative AI on Vertex AI | Google Cloud Documentation ', ‘status’: ‘NOT_FOUND’}}```