Best bet is to turn off the amendments on both the federal and state returns then reverse the changes back to their original values. Once completed, activate the amended forms for both the federal and state and then enter in the changes.

Just for reference, here is our Knowledge Article with the steps:

https://proconnect.intuit.com/community/amend-tax-return/help/how-do-i-amend-an-individual-return-us...