Vba MACRO runtime error 1004 : application defined ....

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VB

Public Sub Worksheet_SelectionChange(ByVal Target As Range)
If Target.Column = 2 Then
With Target.Validation
 .Add Type:=xlValidateList, AlertStyle:=xlValidAlertWarning, _
 Operator:=xlEqual, Formula1:="=Sheet1!S1:S22"
End With

ElseIf Target.Column = 3 Then
With Target.Validation
.Add Type:=xlValidateList, AlertStyle:=xlValidAlertWarning, _
Operator:=xlEqual, Formula1:="=Sheet1!T1:T22"
End With
End If

End Sub

What I have tried:

Here I'm just trying to get a data validations list using vba, but still can't execute

Posted 4-Aug-16 20:18pm

Member 12671139

Updated 4-Aug-16 21:59pm

Maciej Los

v2

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Richard MacCutchan 5-Aug-16 2:57am

What is the error message and where does it occur?

1 solution

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Maciej Los · Answer 1 · 2016-08-04T21:59:00

It's really easy to resolve your issue...

As far as i remember, you can't add validation object if it already exists. You have to remove existing validation to be able to add new.
See: Validation.Add Method (Excel)[^]

For further information about Application defined or object ... error, please check this: Application-defined or object-defined error[^]

Finally, i'd suggest to add error handler to your code. How? Handle Run-Time Errors in VBA[^]