Nevermind. @GSD77
I overrode the override which allowed the Mortgage Interest worksheet to populate Schedule A with the correct value. I entered only the deductible amount of Interest on the single 1098, which I determined elsewhere. Had I left the override I wouldn't have been able to eFile!
Thanks to everyone here helping with this TT Mortgage Interest Deduction problem which still exists but needs workaround.
PHEW!
