ValueError: Couldn't determine Allele for clinvar_variation_id 618862

View details in Rollbar: [https://app.rollbar.com/a/jimmy.andrews/fix/item/VariantGrid/6762](https://app.rollbar.com/a/jimmy.andrews/fix/item/VariantGrid/6762)

```
Traceback (most recent call last):
File "/mnt/variantgrid/env/lib/python3.12/site-packages/django/core/handlers/base.py", line 197, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/mnt/variantgrid/annotation/views.py", line 540, in view_clinvar_records_detail
).fetch()
File "/mnt/variantgrid/annotation/clinvar_fetch_request.py", line 81, in fetch
raise ValueError(f"Couldn't determine Allele for clinvar_variation_id {self.clinvar_variation_id}")
ValueError: Couldn't determine Allele for clinvar_variation_id 188400
```