diff -r b9e74fff3740 -r e4175d61d967 messagingfw/msgsrvnstore/server/src/MTCLBASE.CPP
--- a/messagingfw/msgsrvnstore/server/src/MTCLBASE.CPP	Mon Jun 21 16:13:01 2010 +0300
+++ b/messagingfw/msgsrvnstore/server/src/MTCLBASE.CPP	Thu Jul 15 19:11:10 2010 +0300
@@ -687,10 +687,12 @@
 */	
 EXPORT_C void CBaseMtm::CancelAttachmentOperation()
 	{
-	__ASSERT_ALWAYS(iAttachmentWaiter != NULL, PanicServer(EMsvOperationNotFound));
-	iAttachmentWaiter->Cancel();
-	delete iAttachmentWaiter;
-	iAttachmentWaiter = NULL;
+	if(iAttachmentWaiter)
+		{
+		iAttachmentWaiter->Cancel();
+		delete iAttachmentWaiter;
+		iAttachmentWaiter = NULL;
+		}
 	}