Hi Andrew,
Thanks for the reply.
I tried Dampener% bt couldn't solve it.
Then what i did, I made capacity round figure in calender. currently its coming with decimal so system try to fill the decimal (smallest) capacities also.
Simply i change the work shift end time of night shift (10.00.00 PM to 11.59.59.PM as 10 PM to 11.55.PM)
Now capacity calculate round figures. then this error not appearing.