More informative errors

classes/main_app.xml

@@ -320,6 +320,7 @@
                         </raise>
                         <script>
                             print("Got Modelverse exception: " + str(exception_name))
+                            print("Details: " + str(exception))
                         </script>
                     </transition>
                 </state>

classes/window/main_window.xml

@@ -225,7 +225,7 @@
                     <onentry>
                         <raise event="mv_request" scope="broad">
                             <parameter expr="'model_render'"/>
-                            <parameter expr="[self.current_model, 'render_SCD']"/>
+                            <parameter expr="[self.current_model, 'models/render_SCD']"/>
                         </raise>
                     </onentry>