Blattschutz aufheben klappt nicht

Sub SchutzEntfernen()
Dim i, k, m, o, q, s, j, l, n, p, R, t
On Error Resume Next
For i = 65 To 66: For j = 65 To 66
For k = 65 To 66: For l = 65 To 66
For m = 65 To 66: For n = 65 To 66
For o = 65 To 66: For p = 65 To 66
For q = 65 To 66: For R = 65 To 66
For s = 65 To 66: For t = 32 To 126
ActiveSheet.Unprotect Chr(i) & _
Chr(j) & Chr(k) & Chr(l) & _
Chr(m) & Chr(n) & Chr(o) & _
Chr(p) & Chr(q) & Chr(R) & _
Chr(s) & Chr(t)
Next t: Next s: Next R: Next q
Next p: Next o: Next n: Next m
Next l: Next k: Next j: Next i
MsgBox "Blattschutz abgeschaltet"
End Sub