Index: /source/ariba/overlay/BaseOverlay.cpp
===================================================================
--- /source/ariba/overlay/BaseOverlay.cpp	(revision 5666)
+++ /source/ariba/overlay/BaseOverlay.cpp	(revision 5667)
@@ -1241,4 +1241,5 @@
 				// get descriptor
 				LinkDescriptor* ldn = getDescriptor(i->second);
+				if (ldn==NULL) return true;
 
 				// check if link request reply has a relay node ...