I have never heard of that happening on a Mac. You had to enter a license code to originally install TT 2019. Did you switch user accounts on the Mac?
You might need to uninstall and reinstall.
Corruption could have occurred in the Application or in an associated preference or support file.
The best remedy is to totally uninstall TurboTax and all associate files and then re-install. That will not delete or change any .tax2019 data file that had already been created with the tax data.
To uninstall the application and all associated files need to be deleted and then the application reinstalled. If there was a state then the state must also be reinstalled.
Here is a FAQ for how to uninstall Mac
https://ttlc.intuit.com/questions/1901210-remove-uninstall-turbotax-for-mac
Also if present remove: ~Library/Caches/KSCrash/TurboTax
https://ttlc.intuit.com/questions/1901209-reinstall-turbotax-mac
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
