External links in search promotions causes 500 server error #184
Description
Try the search "vault policy" for which we have an external link search promotion on staging: https://libraries-libep.cca.edu/search/?q=vault+policy&searchType=services&page=1
Might be some clue in the search promotions documentation https://docs.wagtail.org/en/latest/reference/contrib/searchpromotions.html