EXCEL VBA How can I add "if(iserror" to the vba code sample (related to Q 36549507)

The original solution that I need to amend follows:
   
Set rngFormula = Range(rngFound, Cells(LastRow, LastCol + 1))

rngFormula.FormulaR1C1 = _
                                             "=VLOOKUP(RC[-8],P01Currentmonth.csv!R1C24:R158C29,6,FALSE)"

Try this.

strLookup = "VLOOKUP(RC[-8],P01Currentmonth.csv!R1C24:R158C29,6,FALSE)" 

strFormula = "=IF(ISERROR(" & strLookup & "), 0, " & strLookup & ")"

Set rngFormula = Range(rngFound, Cells(LastRow, LastCol + 1))

rngFormulaR1C1 = strFormula

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You don't need to use the 2 strings, strLookup and strFormula, but I think it kind of makes it a little clearer what's happening.

I get an error  at Set rngFormula
Attached is the error box

That isn't anything to do with the formula or the code I posted for it,  the problem is with the code before that.

One thing that appears to be missing from that is setting the range rngFound, which I think was in the original code.

I can't copy the text from the image but try this:

With Workbooks("2011 U.S. Financial Plan.xls").Sheets("Actual & Fixed Workloads")

      LastRow = .Range("A" & Rows.Count).End(xlUp).Row

      LastCol = .Range("B3").End(xlToRight).Column

      Set rngFound = .Cells(LastRow, LastCol)  ' ******************************

       strLookup = "VLOOKUP(RC[-8],P01Currentmonth.csv!R1C24:R158C29,6,FALSE)" 

       strFormula = "=IF(ISERROR(" & strLookup & "), 0, " & strLookup & ")"

       Set rngFormula = Range(rngFound, Cells(LastRow, LastCol + 1))

       rngFormulaR1C1 = strFormula

End With

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This probably has some typos in it, so check workbook/worksheet names etc.

First I want to thank you for your time and patience.
I appreciate your expertise!

rngFound should be the top cell in the empty Col not the last ones.

If we look at the original Q  I had some code that set activecell= rngFound and you replaced that section with the current code.

the problem with the code is, it is not getting a value into rngfound with this next statement.
    ' this is the next empty cell, it's the same as ActiveCell in your code
    Set rngFound = Cells(3, LastCol + 1)

The original code follows:---------------
    Windows("2011 U.S. Financial Plan.xls").Activate
    Sheets("Actual & Flexed Workload").Activate
   LastRow = Range("A" & Rows.Count).End(xlUp).Row
    Range("B3").Select
    Selection.End(xlToRight).Select
    ActiveCell.Offset(0, 1).Select
' ID variable to go back for Fill-Down
   Set rngFound = ActiveCell

That line of code is not meant to put a value in rngFound.

It's the equivalent of your's without the ActiveCell part.

It is the top cell in the next blank column.

The syntax for Cell is Cells(<row>, <column>), so

Cells(3, LastCol+1)

is row 3 and column LastCol+1.

Which if row 3 is the top row is the to cell in the next blank column to the right of the existing data.

I did try the previous code but I must be confused where it goes.
I tried the latest suggestion and get a subscript out of range at the With Workbooks...

In case theis helps, this is the finace sheet showing the months in row 2 and the year to date data filled in (almost).
At the end of my previous code pic you can see that I am tryinig to get back to rngFound so I can use the month label to navigate further with the next steps in the macro.
samp3.JPG

Could you do something?

Check the names of the worksheets/workbooks in the code?

My eyesight isn't 20/20 and I copied the code from your picture so I may have added an extra character somewhere by mistake.

Might have been an 'a' or  's' or 'd', not sure.

As for getting back to rngFound, it hasn't changed and still refers to the same cell after you've the code has run.

I took out the With statements since I already had the bookk & sheet selected, The using ther strings helped me to use the if(ISERROR as you showed.

Thanks Again

Well if that worked that's the important thing.

Just one thing, you can't rely on activating/selecting worksheets and you could end up with the code putting the formulas
on the wrong worksheet.