diff --git a/SDK/C/TitanEngine.h b/SDK/C/TitanEngine.h
index 9e256df..be19101 100644
--- a/SDK/C/TitanEngine.h
+++ b/SDK/C/TitanEngine.h
@@ -94,6 +94,8 @@
 #define UE_SECTIONRAWSIZE 27
 #define UE_SECTIONFLAGS 28
 
+#define UE_VANOTFOUND = -2;
+
 #define UE_CH_BREAKPOINT 1
 #define UE_CH_SINGLESTEP 2
 #define UE_CH_ACCESSVIOLATION 3
diff --git a/SDK/CPP/TitanEngine.h b/SDK/CPP/TitanEngine.h
index 066f843..4e2672f 100644
--- a/SDK/CPP/TitanEngine.h
+++ b/SDK/CPP/TitanEngine.h
@@ -94,6 +94,8 @@ const BYTE UE_SECTIONRAWOFFSET = 26;
 const BYTE UE_SECTIONRAWSIZE = 27;
 const BYTE UE_SECTIONFLAGS = 28;
 
+const long UE_VANOTFOUND = -2;
+
 const BYTE UE_CH_BREAKPOINT = 1;
 const BYTE UE_CH_SINGLESTEP = 2;
 const BYTE UE_CH_ACCESSVIOLATION = 3;