VBA code to stop the macro

[shiva_reshs]

Hello,

Below code helps me to open closed Sheet and copy the particular sheet into opened sheet. But when sheet is not found, VBA still runs to next macro which built right below. I need help in closing the VBA running right below in Red line.

Dim sImportFile As String, sFile As String
    Dim sThisBk As Workbook
    Dim vfilename As Variant
    Application.ScreenUpdating = False
    Application.DisplayAlerts = False
    Set sThisBk = ActiveWorkbook
    sImportFile = Application.GetOpenFilename( _
    fileFilter:="Microsoft Excel Workbooks, *.xls; *.xml; *.xlsx", Title:="Open Workbook")
    If sImportFile = "False" Then
        MsgBox "No File Selected!"
        Exit Sub
         
    Else
        vfilename = Split(sImportFile, "\")
        sFile = vfilename(UBound(vfilename))
        Application.Workbooks.Open Filename:=sImportFile
         
        Set wbBk = Workbooks(sFile)
        With wbBk
            If SheetExists("Worker") Then
                Set wsSht = .Sheets("Worker")
                wsSht.Copy After:=sThisBk.Sheets("Master File")
            Else
                MsgBox "There is no sheet with name :Raw_Data in:" & vbCr & .Name  ' I need stop code here, which Stops the VBA and return to Userform1 Display.
            End If
            wbBk.Close savechanges:=False
        End With
    End If
    Application.ScreenUpdating = True
    Application.DisplayAlerts = True

Please advice
Thanks

[daffodil11]

I use

Exit Sub

in my worksheet change email generator and it works fine.

[shiva_reshs]

Thanks!!! It worked..