The next 3 lines of code works fine. However, the code at bottom returns "error 2015" or Type mismatch 13 at runtime.
Working_FormulaR1C1 = "=MATCH(R23C1,IF((Sheet1!R5C2:R100C2=R23C1),Sheet1!R5C2:R100C2),0)"
Testing = Application.ConvertFormula(Working_FormulaR1C1 , xlR1C1, xlA1, xlAbsolute...