ipockj - Another contributor above (jpebon) reported they did something similar to what you describe. After they efiled, they went back in using Forms view and ...
I don't know your detailed situation, of course, but take note of these words from the IRS instructions for form 2210: "If line 9 of Part I is more than line 6,...
It probably is not a glitch, depending upon your specific circumstances. See my (peter) updated previous post six above this one regarding some odd wording in t...