Can't open an old tax file

I have an 2015 tax file which I need to open.  I have the 2015 Turbotax application but it does not open the file without error messages.  I thought the file was corrupted but I opened Turbotax 2016 to see if it could read it and it was able to pull all the bio and AGI information to prepare a new 2016 return.  The Error 103 message states that the form is open (which it is not) and asks whether I want to create State Forms.  When I click yes, there is another error message.  Is there any way to get this file open?