Triggering 1040X ammendment process

I already filed weeks back, but Turbotax launches with the following (it's worth noting I did file these forms when a e-filed):

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Hitting Continue clearly shows that the filing is complete:

 

 2021-03-29_16-14-21.jpg

 

At this point it's not clear where to amend. If I start the amend process from a non-loaded file, it amend process starts totally blank. How does one trigger an amendment 1040X at this point? This is the TT full client on Mac.