1Password crash v. 7.9.1 on IOS [update to 7.9.2 or update iOS if at all possible]

I have used 1password for years. today I went to open, and 1password appeared for a second and then vanishes. It wont open. there are no updates. I have an iphone XS and I was about to install ios 15.1 but have not installed yet.

1Password Version: Not Provided
Extension Version: Not Provided
OS Version: Not Provided
Referrer: forum-search:https://1password.community/search?Search=the%201password%20app%20on%20my%20iphone%20XS%20appear%20for%20a%20second%20%26%20then%20vanish.%20%20wont%20open