Until the chart has been properly setup, it generates errors:
Warning: get_class() expects parameter 1 to be object, null given in /usr/share/tuleap/plugins/tracker/include/Tracker/FormElement/Tracker_FormElementFactory.php on line 206
Call Stack
# Time Memory Function Location
1 0.0001 402624 {main}( ) .../index.php:0
2 0.0088 2930448 Tuleap\Request\FrontRouter->route( ) .../index.php:49
3 0.0104 3137968 Tuleap\Request\FrontRouter->routeHandler( ) .../FrontRouter.php:108
4 0.0216 3986336 Tuleap\GraphOnTrackersV5\Async\ChartDataController->process( ) .../FrontRouter.php:248
5 0.0268 4500776 GraphOnTrackersV5_Chart_CumulativeFlow->fetchAsArray( ) .../ChartDataController.php:78
6 0.0268 4500776 GraphOnTrackersV5_Chart_CumulativeFlow->getEngineWithData( ) .../GraphOnTrackersV5_Chart.class.php:372
7 0.0426 5550376 GraphOnTrackersV5_CumulativeFlow_DataBuilder->buildProperties( ) .../GraphOnTrackersV5_Chart.class.php:438
8 0.0426 5551072 Tracker_FormElementFactory->getType( ) .../GraphOnTrackersV5_CumulativeFlow_DataBuilder.class.php:63
Fatal error: Uncaught Error: Call to a member function getId() on null in /usr/share/tuleap/plugins/graphontrackersv5/include/data-transformation/GraphOnTrackersV5_CumulativeFlow_DataBuilder.class.php on line 64
Error: Call to a member function getId() on null in /usr/share/tuleap/plugins/graphontrackersv5/include/data-transformation/GraphOnTrackersV5_CumulativeFlow_DataBuilder.class.php on line 64
Call Stack
# Time Memory Function Location
1 0.0001 402624 {main}( ) .../index.php:0
2 0.0088 2930448 Tuleap\Request\FrontRouter->route( ) .../index.php:49
3 0.0104 3137968 Tuleap\Request\FrontRouter->routeHandler( ) .../FrontRouter.php:108
4 0.0216 3986336 Tuleap\GraphOnTrackersV5\Async\ChartDataController->process( ) .../FrontRouter.php:248
5 0.0268 4500776 GraphOnTrackersV5_Chart_CumulativeFlow->fetchAsArray( ) .../ChartDataController.php:78
6 0.0268 4500776 GraphOnTrackersV5_Chart_CumulativeFlow->getEngineWithData( ) .../GraphOnTrackersV5_Chart.class.php:372
7 0.0426 5550376 GraphOnTrackersV5_CumulativeFlow_DataBuilder->buildProperties( ) .../GraphOnTrackersV5_Chart.class.php:438
Also related to request #17112.