Availabiblity of ITR 3 for A.Y. 2021-2022

Is ITR 3 working properly? Depreciation workings showing error in spite of correct data and validation error is not resolved properly.

I m have opted new tax system 115, it requires to registration in Form 10IE. I have done the registration and the date Acknoldgement number of same has to put in the ITR3. But the column is not opening to fill the date & Ack number. I m having this issue since 2 weeks, pl guide.