I've tried:
=VLOOKUP(B8,"'" & INDIRECT(E1 & "Cons by month'!$B$8:$O$199"),$K$4,0) and
=VLOOKUP(B8,INDIRECT("'" & E1 & "Cons by month'!$B$8:$O$199"),$K$4,0)
both result in a #REF error and this is while that workbook that the VLOOKUP is referencing is opened.
E1 is only going to contain the...