so

UA_PLC.c

@@ -233,7 +233,9 @@ u32 UA_NodeReleaseHandleList(long ConnectionHdl,u16 NodeHdlCount,long *NodeHdls,
 		return retval;
 	}
 	for(i=0;i<NodeHdlCount;i++){
-		UA_NodeId nodeId = *(UA_NodeId*)NodeHdls[i];
+		//UA_NodeId nodeId = *(UA_NodeId*)NodeHdls[i];
+		UA_NodeId *nodeId = (UA_NodeId*)NodeHdls[i];
+		UA_NodeId_clear(nodeId);
 		NodeHdls[i]=0;
 		//UA_NodeId_delete(&nodeId);
 		ErrorIDs[i]=0;