Index: sources/canbus/messagedispatcher.cpp
===================================================================
diff -u -rd3f916066c2d10c10fffa91fd8a7e5ac6dd86c7d -r5626bf604947efe5a80c9ca51802aab1a70a6939
--- sources/canbus/messagedispatcher.cpp	(.../messagedispatcher.cpp)	(revision d3f916066c2d10c10fffa91fd8a7e5ac6dd86c7d)
+++ sources/canbus/messagedispatcher.cpp	(.../messagedispatcher.cpp)	(revision 5626bf604947efe5a80c9ca51802aab1a70a6939)
@@ -155,7 +155,10 @@
 void MessageDispatcher::onFrameReceive(Can_Id vCan_Id, const QByteArray &vPayload)
 {
     // Append a message to the list
+    // coco begin validated: if empty (first condition) is true, it must never check for the complete (second condition)
+    // because if the list is empty there is no last() item
     if (_messageList[vCan_Id].isEmpty() || _messageList[vCan_Id].last().isComplete()) {
+        // coco end
         _messageList[vCan_Id].append(Message());
     }