Attempting to amend 2016 return get Error 190 retrieving state return

Hello,

 

I am attempting to amend a 2016 return.  When I select the file in TT2016 to amend, a dialog appears with Error 190 "Your federal return is on this computer. Let's get your Massachusetts state form"  Select 'Download my Forms".  Get a message ""Hmmm. we've hit a snag".

 

How can I get this resolved?