Hilfe beim Code

Option Explicit
Dim vOldVal 'Must be at top of module
Private Sub Workbook_SheetChange(ByVal Sh As Object, ByVal Target As Range)
Dim bBold As Boolean
If Target.Cells.Count > 1 Then Exit Sub
On Error Resume Next
With Application
.ScreenUpdating = False
.EnableEvents = False
End With
If IsEmpty(vOldVal) Then vOldVal = "Empty Cell"
bBold = Target.HasFormula
With Sheet2
.Unprotect Password:="Secret"
If .Range("A1") = vbNullString Then
.Range("A1:E1") = Array("CELL CHANGED", "OLD VALUE", _
"NEW VALUE", "TIME OF CHANGE", "DATE OF CHANGE")
End If
With .Cells(.Rows.Count, 1).End(xlUp)(2, 1)
.Value = Target.Address
.Offset(0, 1) = vOldVal
With .Offset(0, 2)
If bBold = True Then
.ClearComments
.AddComment.Text Text:= _
"Track Changes" & Chr(10) & "" & Chr(10) & _
"Bold values are the results of formulas"
End If
.Value = Target
.Font.Bold = bBold
End With
.Offset(0, 3) = Time
.Offset(0, 4) = Date
End With
.Cells.Columns.AutoFit
.Protect Password:="Secret"
End With
vOldVal = vbNullString
With Application
.ScreenUpdating = True
.EnableEvents = True
End With
On Error GoTo 0
End Sub
Private Sub Workbook_SheetSelectionChange(ByVal Sh As Object, ByVal Target As Range)
vOldVal = Target
End Sub