Form 2210: Line D witholding. The sum of the four columns is not equal to your total witholding of $_______ for the year.
Line D Witholding _____
This was reported in this but seems that turbotax has not fixed it. What an embrassing.
https://ttlc.intuit.com/community/taxes/discussion/how-do-i-deal-with-a-form-2210-line-d-withholding-error/00/2069887