We discovered an error in our 2019 1120 Corporate returns. Officer salary was incorrectly included i.e the compensation was not a payroll expense. Can we e-file amended?

[WendyN2]

In order for you to be able to amend, you will need to do this by using the 2019 version of TurboTax Business. 

Here are some useful links for E-filing your Amended Corporate Return:

How Do I Amend My 2019 Return In The TurboTax CD Download Software

Amended and Superseding Corporate Returns - IRS