Code Block Math Issue

[DangeRuss]

for some reason simple math isn’t working for me. the one item from my list has a value of 0 and after it adds or subtracts it results in a Null item

[staylor]

What is the Width value being inputted at that index?

[DangeRuss]

Value pulled in from a Rythm

[DangeRuss]

ok looks like the issue is an empty item in

filtered that out and im good