Error: Claude 4.5 Sonnet - 500

**Error Details**

Model: Claude 4.5 Sonnet
Provider: bpce-genai
Status Code: 500

**Error Output**
```
{"errors":[{"code":"500","message":"Received: 'Internal Server Error, status code 500' when invoking REST Client method: 'fr.bpce.continueplugin.plugin.client.GenerativeAiApi%23generateTexts'"}]}
```

**Additional Context**
Please add any additional context about the error here
