Here it is 3 years later, and I am encountering the same issue. I use TT Deluxe, desktop version. The error message now says, "Form 2210AI: Line 4 is not between the prescribed upper and lower limits" but it's the same issue.
My situation is basically the same as the OP -- my itemized deductions in period 3 are legitimately greater than in period 4 because I receive nearly 90% of my income in period 4. This isn't an error. So how do I proceed?
