I have added crash log, code is working perfectly fine when I compiled with XCode 11.6 & iOS 13 and iOS 14 also. But When I am compiling with XCode 12 and run on iOS 14 device. it will start crashing. Crash log - https://developer.apple.com/forums/content/attachment/e42cb9be-15b7-4fe7-b608-6008f7353aa1