diff --git a/src/com/eactive/eai/agent/command/Command.java b/src/com/eactive/eai/agent/command/Command.java
index 5ed6726..261ddd0 100644
--- a/src/com/eactive/eai/agent/command/Command.java
+++ b/src/com/eactive/eai/agent/command/Command.java
@@ -94,9 +94,10 @@ public abstract class Command implements Serializable {
         else{
             msgArgs[1] = cause.getMessage();
         }
-        String msg = makeMessage((String)errorCode.get(rspErrorCode),msgArgs) ;
-        
-        return msg;
+        if(this.errorCode != null)
+        	return makeMessage((String)errorCode.get(rspErrorCode),msgArgs) ;
+        else
+        	return "error";
     }
 
     protected static String makeMessage(String msg, String[] args) {