Auto calculation of setoff in cyla-bfla and cfl

Following details are filled in ITR 2 Schedules: The utility downloaded from the web site of INCOMETAX

1. Schedule - House Property: (Loss on house property) Interest on Housing loan for F.Y.2015-16 Rs.200000 i. e Max allowed.
2. Schedule – CFL : Previous years Interest on housing loan were filled in Assessment Year wise and tried to compute set off by pressing “Compute Set off” by which the fields like

X . Adjustment of above losses in Schedule BFLA.

xi. 2016-17 (Current year Losses).

But, these are not being calculated automatically.

1. Schedule – CYLA – BFLA : Similarly, in this schedule also the set off is not being computed automatically. There is a foot-note that “Please, click on ‘compute Setoff button to allow the utility to auto fill the adjustment of Current Year and Brought forward Loss in the Yellow field’.

But, there are no YELLOW FIELDS on that page.

  Please, guide me why it is not done.