WaypointManager: React to ack when waypoint transmission fails

src/uas/UASWaypointManager.cc

@@ -225,6 +225,17 @@ void UASWaypointManager::handleWaypointAck(quint8 systemId, quint8 compId, mavli
             current_state = WP_IDLE;
             readWaypoints(false); //Update "Onboard Waypoints"-tab immidiately after the waypoint list has been sent.
             emit updateStatusString("done.");
+        } else if((current_state == WP_SENDLIST || current_state == WP_SENDLIST_SENDWPS) && wpa->type != 0) {
+            //give up transmitting if a WP is rejected
+            if (wpa->type == 1) {
+                emit updateStatusString("upload failed: general error");
+            } else if (wpa->type == 2) {
+                emit updateStatusString("upload failed: coordinate frame unsupported.");
+            } else {
+                emit updateStatusString("upload failed: other error.");
+            }
+            protocol_timer.stop();
+            current_state = WP_IDLE;
         } else if(current_state == WP_CLEARLIST) {
             protocol_timer.stop();
             current_state = WP_IDLE;