I am doing Rick's search seminar  in lesson17 i get an error when i enter two criterias in the form i get an error  run Time Error 3075

Synttax error ( MISSING OPPERATOR) in query expression

here the code

Private Sub DoSearch()


  Dim Wh As String
  Dim SQL As String

  Wh = ""
    If FirstName <> "" Then
        Wh = Wh & "FirstName Like '*" & FirstName & "*'"
    End If

    If LastName <> "" Then
        Wh = Wh & "LastName Like '*" & LastName & "*'"
    End If

    If City <> "" Then
        Wh = Wh & "City Like '*" & City & "*'"
    End If

    If State <> "" Then
        Wh = Wh & "State Like '*" & State & "*'"
    End If

    If Phone <> "" Then
        Wh = Wh & "Phone Like '*" & Phone & "*'"
    End If
    If Wh = "" Then
        MsgBox " Enter at least one parameter value!"
    Exit Sub
    
  End If
  
  SQL = "Select * FROM CustomerT WHERE " & Wh
  DoCmd.OpenForm "CustomerF"
  Forms!CustomerF.RecordSource = SQL
If IsNull(Forms!CustomerF!CustomerID) Then
    MsgBox " No Customer found with given search parameters."
Exit Sub
End If

End Sub

I dont know what i am missing can some one help me please.