Which version of TurboTax are you using? Where are you getting the error message? What exactly does it say?
2021 Turbo Tax Premier for iMAC
If you have TurboTax CD/Download, please check for updates within the program.
How do I update my TurboTax CD/Download software
If you still require assistance, please contact customer support.
I originally used the CD to install the software.
Then I did a download from your website
Neither fixed the problem
I guess I will call the support line
Unfortunately, not all of the forms for Pennsylvania are available on TurboTax at this point.
This link will let you know what forms are not yet ready for Pennsylvania in both versions of the software.