The stack trace is:

( ! ) Fatal error: Uncaught exception 'AgileDashboard_KanbanNotFoundException' in /usr/share/tuleap/plugins/agiledashboard/include/AgileDashboard/KanbanFactory.class.php on line 61
( ! ) AgileDashboard_KanbanNotFoundException: in /usr/share/tuleap/plugins/agiledashboard/include/AgileDashboard/KanbanFactory.class.php on line 61
Call Stack
# Time Memory Function Location
1 0.0000 236800 {main}( ) ../index.php:0
2 0.0319 4906976 Tuleap\Dashboard\User\UserDashboardRouter->route( ) ../index.php:97
3 0.0320 4907624 Tuleap\Dashboard\User\UserDashboardController->display( ) ../UserDashboardRouter.php:85
4 0.0326 4917088 Tuleap\Dashboard\User\UserDashboardController->getUserDashboardsPresenter( ) ../UserDashboardController.php:132
5 0.0348 4944840 Tuleap\Dashboard\Widget\DashboardWidgetPresenterBuilder->getWidgetsPresenter( ) ../UserDashboardController.php:233
6 0.0348 4945440 Tuleap\Dashboard\Widget\DashboardWidgetPresenterBuilder->getColumnsPresenterByLine( ) ../DashboardWidgetPresenterBuilder.php:54
7 0.0348 4945808 Tuleap\Dashboard\Widget\DashboardWidgetPresenterBuilder->getWidgetsPresenterByColumn( ) ../DashboardWidgetPresenterBuilder.php:76
8 0.0468 6913864 Tuleap\AgileDashboard\Widget\Kanban->loadContent( ) ../DashboardWidgetPresenterBuilder.php:97
9 0.0472 6915424 AgileDashboard_KanbanFactory->getKanban( ) ../Kanban.php:110