diff --git a/app/DD_PM_WINDREAM/clsPatterns.vb b/app/DD_PM_WINDREAM/clsPatterns.vb
index d0b1476..b09ed6f 100644
--- a/app/DD_PM_WINDREAM/clsPatterns.vb
+++ b/app/DD_PM_WINDREAM/clsPatterns.vb
@@ -48,7 +48,12 @@ Public Class clsPatterns
     Public Const INT_VALUE_DATE = "DATE"
 
     Public Const MAX_TRY_COUNT = 50
-    Public Const ERROR_REPLACE_VALUE = "[Replace Error]"
+
+    ''' <summary>
+    ''' This value will be valid as any datatype,
+    ''' and you can easily check against it
+    ''' </summary>
+    Public Const ERROR_REPLACE_VALUE = "0"
 
     Private Shared ReadOnly MyRegex As Regex = New Regex("{#(\w+)#([\:\.\w\s_-]+)}+")
     Private Shared ReadOnly allPatterns As New List(Of String) From {PATTERN_WMI, PATTERN_CTRL, PATTERN_IDBA, PATTERN_USER, PATTERN_INT}