diff --git a/OneM2M_Testcases_AE_Release_1.ttcn b/OneM2M_Testcases_AE_Release_1.ttcn
index f3d80d5997c613c2159eba8d5a2099bf3d9ab051..e0a3c538ad4c373e2d0325398ec14790584c4b8c 100644
--- a/OneM2M_Testcases_AE_Release_1.ttcn
+++ b/OneM2M_Testcases_AE_Release_1.ttcn
@@ -1441,23 +1441,26 @@ module OneM2M_Testcases_AE_Release_1 {
 
 				function f_AE_DMR_RET_002() runs on CseSimu {
 	
-					var integer v_resourceIndex := -1;
+					var integer v_resourceIndex, v_containerResourceIndex := -1;
 					var PrimitiveContent v_localResource;
 	
 					//variables
 					var template UtTriggerPrimitive v_utRequest := m_utRetrieve("NotInitialized");
 					var MsgIn v_request;
 					var ResponsePrimitive v_responsePrimitive;
-					var universal charstring v_action :=  __SCOPE__ & ": Please, send a valid RETRIEVE Request for retrieving the 'oldest' attribute from Container";
+					var universal charstring v_action :=  __SCOPE__ & ": Please, send a valid RETRIEVE Request for retrieving the 'oldest' child resource of Container at ";
 	
 					//Test component configuration
 					f_cf03Up();
 	
 					//send triggering primitive to SUT
 					v_localResource := f_generateLocalResource(valueof(m_primitiveContentContainer(m_contentCreateContainer)), vc_cSEBaseIndex, int3);
-					v_resourceIndex := f_setLocalResource(v_localResource, int3, vc_cSEBaseIndex);
-					v_utRequest.requestPrimitive.to_ := f_getLocalResourceAddress(v_resourceIndex) & "/" & c_resourceShortNameOldest;
-					f_sendUtPrimitive(v_utRequest,v_action);
+					v_containerResourceIndex := f_setLocalResource(v_localResource, int3, vc_cSEBaseIndex);
+					v_localResource := f_generateLocalResource(valueof(m_primitiveContentContentInstance(m_contentCreateContentInstance)), vc_cSEBaseIndex, int4);
+					v_resourceIndex := f_setLocalResource(v_localResource, int4, v_containerResourceIndex);
+					
+					v_utRequest.requestPrimitive.to_ := f_getLocalResourceAddress(v_containerResourceIndex) & "/" & c_resourceShortNameOldest;
+					f_sendUtPrimitive(v_utRequest,v_action & f_getLocalResourceAddress(v_containerResourceIndex));
 	
 					//Test behavior
 					tc_ac.start;
@@ -1465,11 +1468,10 @@ module OneM2M_Testcases_AE_Release_1 {
 						[] mcaPortIn.receive(mw_request(mw_retrieve(v_utRequest.requestPrimitive.to_ ))) -> value v_request {
 							tc_ac.stop;
 							setverdict(pass, __SCOPE__, " : retrieve attribute oldest request is accepted!");
-							v_resourceIndex := f_getResourceIndex(v_request.primitive.requestPrimitive.to_);
 							v_responsePrimitive := valueof(m_responsePrimitive(int2000, v_request.primitive.requestPrimitive.requestIdentifier, vc_localResourcesList[v_resourceIndex].resource));
 							mcaPortIn.send(f_getMsgOutPrimitive(m_response(v_responsePrimitive)));
 						}
-						[] mcaPortIn.receive {
+						[] mcaPortIn.receive(mw_request(mw_retrieve(?))) {
 							tc_ac.stop;
 							setverdict(fail, __SCOPE__, " : error while retrieving attribute !");
 							mcaPortIn.send(f_getMsgOutPrimitive(m_response(valueof(m_responsePrimitive(int4004, v_request.primitive.requestPrimitive.requestIdentifier, omit)))));