P6 Update

Hi,

I am facing difficulty while updating the schedule

i am updating the progress in activty% column and same progress was appearing in the Unit % column too and that it is what my requirement too but in some activities it is not happening. when i schedule the program the Unit % column progress is coming back to zero(0).which shoud be same as activity % column.

if any body know the solution please let me know where and what is the error.