Server error

There was a server error when trying to access /results/

Error details

Traceback (most recent call last):
  File "/opt/conda/envs/omia3/lib/python3.10/site-packages/django/core/handlers/exception.py", line 55, in inner
    response = get_response(request)
  File "/opt/conda/envs/omia3/lib/python3.10/site-packages/django/core/handlers/base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/app/omia_project/omia/search_views.py", line 220, in results
    raise InvalidSearchTypeException(f"search_type is required")
omia.search_views.InvalidSearchTypeException: search_type is required