ill try to check tomorrow, but one thing u might try is to add, mb it will help idk) / before any of those rest/api/2/search?jql=project=CLONESUP so that /rest/api/2/search?jql=project=CLONESUP just in case
but now i think that doesn’t matter, since u get 400 error code, anyway, ill try to see myself if i can do the same