There is a change in behavior when pasting data in Cost Plan cells. the user able able to highlight a number of cells in a row on the Cost Plan and click CTRL V to paste the data and the value change to zero.
The only way we can successfully is to activate each cell
Release : 15.9.2
In Chrome there is prompt on the upper right corner in the address bar.
Please click "YES" to copy/paste on the clipboard
It should resolved the issue
Works in Firfox
Issue Reported in Chrome