Custom Formula in Conditional Formatting not shown

I have created a new bar chart, but here the option “Custom formula” is not shown.

In (I think) all others I can use it:

What I like to do is to color the 1st 2 bars in green, the last two in red and all others in orange.
But I´m not quite sure

Hi @NadineArnold

Please share the formula you use for the measure “PP&PF”

Martins / eazyBI