It's pretty clearly bug in the app, its crashing (no "uninstall" helps):
2021-01-07 21:15:53.643 TurboTax 2020[1970:51537] -[NSNull length]: unrecognized selector sent to instance 0x7fff913a6000
2021-01-07 21:15:53.644 TurboTax 2020[1970:51537] Terminate called after uncaught c++ exception:
0 TurboTax 2020 0x00000001069c801b PrintStackAndTerminateOnUncaughtCPPException + 59
1 libc++abi.dylib 0x00007fff70efe887 _ZSt11__terminatePFvvE + 8
2 libc++abi.dylib 0x00007fff70efe829 _ZSt9terminatev + 41
3 libdispatch.dylib 0x00007fff73b7666c _dispatch_client_callout + 28
4 libdispatch.dylib 0x00007fff73b784b0 _dispatch_queue_override_invoke + 763
5 libdispatch.dylib 0x00007fff73b84957 _dispatch_root_queue_drain + 326
6 libdispatch.dylib 0x00007fff73b85097 _dispatch_worker_thread2 + 92
7 libsystem_pthread.dylib 0x00007fff73dd09f7 _pthread_wqthread + 220
8 libsystem_pthread.dylib 0x00007fff73dcfb77 start_wqthread + 15
(this was on macOS 10.15.7)
