View details in Rollbar: [https://app.rollbar.com/a/jimmy.andrews/fix/item/VariantGrid/4511](https://app.rollbar.com/a/jimmy.andrews/fix/item/VariantGrid/4511)

```
Traceback (most recent call last):
File "/usr/local/lib/python3.10/dist-packages/django/core/handlers/base.py", line 197, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/opt/variantgrid/genes/views/views.py", line 476, in view_transcript_version
tv_sequence_info = TranscriptVersionSequenceInfo.get(accession)
File "/opt/variantgrid/genes/models.py", line 1300, in get
tvi = TranscriptVersionSequenceInfo._get_and_store_from_ensembl_api(transcript_accession)
File "/opt/variantgrid/genes/models.py", line 1347, in _get_and_store_from_ensembl_api
data = r.json()
File "/usr/local/lib/python3.10/dist-packages/requests/models.py", line 917, in json
raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
JSONDecodeError: [Errno Expecting value]

// Detect if JS is on and swap vf-no-js for vf-js on the html element
(function(H){H.className=H.className.replace(/\bvf-no-js\b/,'vf-js')})(document.documentElement);

Error: 500 | EMBL’s European Bionformatics Institute

head, title, link, meta, style, script {--vf-stack-margin--custom: 0; }

.embl-grid {
margin-bottom: 48px;
}