Panic over… I found a back up from last night that worked! Something changed between the 22:30 back up and 23:00 back up but it’s resolved- phew!
If I go to make a cloze card I no longer have the buttons to create C1 or C2 etc.
When I go to study a cloze card it comes up with the deletion written out in full i.e.
I have tried downloading Anki again but it hasn’t helped