### Check for existing issues

- [x] I have searched the existing issues and checked that my issue is not a duplicate.

### What happened?

When using claude models sometimes `[System: Empty message content sanitised to satisfy protocol]` is just returned.

### Steps to Reproduce

1. 2. 3.

### Relevant log output

```shell

```

### What part of LiteLLM is this about?

_No response_

### What LiteLLM version are you on ?

v1.82.6

### Twitter / LinkedIn details

_No response_