Null Value in schedule

[Anonymous]

Hello,

I can't get this formula to work, my guess is that it's because of the null values in B/N Faktor? Is there a way to get around this problem? It doesn't work when I choose not to itemize every instace as well.

Thank you!

-Rickard

[Avaris.]

Where am I looking at? (0 / (something)) is quite difficult for a computer.