This article applies to:

E-file diagnostic: Schedule M-1 enter EIN or missing reason

Schedule M-1: Enter the EIN or missing reason for all entities listed in Schedule M-1, part 2, line 1.

Solution

In Organizer, select States
, then Massachusetts
.

Select M-1/U-M Adjustments
and go to the Entities without an FEIN
section.

Make sure Entities without an EIN
has None Selected
.

If this is marked None selected
, make a different selection, do a full recompute then change it back to None selected
.

Do a full recompute again.