Add on isn't working for me

I have the anking overhaul and was subscribed with ankihub 2 months ago
Today I resubscribed to update my deck but the add on said that I need to install the deck because I don’t have it !!
I’m worried that if I install it my 5 years studying will go in vain please help me

You can just press install don’t worry.

Also Anki saves a ton of backups so if anything goes wrong you can just go back to one of the backups.