diff -r 2c19c7cf5550 -r c20dd21d1eb4 mtpfws/mtpfw/dataproviders/proxydp/src/cmtpgetobjectpropssupported.cpp
--- a/mtpfws/mtpfw/dataproviders/proxydp/src/cmtpgetobjectpropssupported.cpp	Fri Aug 20 17:43:33 2010 +0800
+++ b/mtpfws/mtpfw/dataproviders/proxydp/src/cmtpgetobjectpropssupported.cpp	Fri Sep 03 18:38:04 2010 +0800
@@ -25,6 +25,11 @@
 #include "cmtpdataprovider.h"
 #include "cmtpgetobjectpropssupported.h"
 #include "mtpproxydppanic.h"
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "cmtpgetobjectpropssupportedTraces.h"
+#endif
+
    
 /**
 Factory method.
@@ -90,6 +95,7 @@
 		if ((KErr != KErrNone) &&
 		    (KErr != KErrAlreadyExists))
 		    {
+            OstTrace1( TRACE_ERROR, CMTPGETOBJECTPROPSSUPPORTED_PROXYSENDDATAL, "add property to support property list error! error code:%d", KErr );
 		    User::Leave(KErr);
 		    }
 		}