IOS 14, IPhone 7 plus, App Crashes – Calendars 5 by Readdle Review

Update: Thanks to TechBooze. Delete app and reinstall. Worked for me. My favorite calendar app until the IOS update. The app now crashes upon opening. The app is still in the background but will not display. The app does run fine on my Ipads. Strange. If it's not fixed soon I will have to look elsewhere.
Review by fmartyn on Calendars 5 by Readdle.