HI,
So this works =IFERROR(VLOOKUP($H$3:$H$300, Formulas!$B$2:$Z$288,18,0),"")
If I add this +('Pay (2)'!AH2) Then in returns #Value . I just need to add that cell on another sheet
=IFERROR(VLOOKUP($H$3:$H$300, Formulas!$B$2:$Z$288,18,0),"")+('Pay (2)'!AH2)
I also tried something like...