Internal Server Error

Sorry, it looks we're having server problems! We are working hard to bring everything back to normal as soon as possible!
Error code: 500
If you need help please go to Help
  • More details
    error:
    {"code":"79f71f75","stacktrace":"TypeError: Users\\Model\\UserModel::getUser(): Argument #1 ($user_id) must be of type int, null given, called in /var/app/current/module/Materials/src/Model/MaterialModel.php on line 900 and defined in /var/app/current/module/Users/src/Model/UserModel.php:76\nStack trace:\n#0 /var/app/current/module/Materials/src/Model/MaterialModel.php(900): Users\\Model\\UserModel->getUser(NULL)\n#1 /var/app/current/module/Materials/src/Model/MaterialModel.php(1646): Materials\\Model\\MaterialModel->invalidateCache(Object(Application\\Model\\ArrayObject))\n#2 /var/app/current/module/Materials/src/Model/MaterialModel.php(872): Materials\\Model\\MaterialModel->performUpdate(Object(Application\\Model\\ArrayObject), Array, Array)\n#3 /var/app/current/module/Materials/src/Model/File/MaterialStorage.php(184): Materials\\Model\\MaterialModel->updateStorageKey(Object(Application\\Model\\ArrayObject), 'mgYBH1eXgLku3JZ...')\n#4 /var/app/current/module/Materials/src/Model/File/MaterialStorage.php(168): Materials\\Model\\File\\MaterialStorage->createStorageKey(Object(Application\\Model\\ArrayObject))\n#5 /var/app/current/module/Application/src/Model/Aws/AbstractStorage.php(23): Materials\\Model\\File\\MaterialStorage->init(Object(Application\\Model\\ArrayObject))\n#6 /var/app/current/module/Materials/src/Model/MaterialModel.php(917): Application\\Model\\Aws\\AbstractStorage->checkAndPrepare(Object(Application\\Model\\ArrayObject))\n#7 /var/app/current/module/Materials/src/Model/WorksheetModel.php(141): Materials\\Model\\MaterialModel->prepareEntity(Object(Application\\Model\\ArrayObject))\n#8 /var/app/current/module/Materials/src/Model/WorksheetModel.php(583): Materials\\Model\\WorksheetModel->prepareEntity(Object(Application\\Model\\ArrayObject))\n#9 /var/app/current/module/Materials/src/Model/WorksheetModel.php(520): Materials\\Model\\WorksheetModel->fetchElementsForWorksheet(Object(Application\\Model\\ArrayObject))\n#10 /var/app/current/module/Materials/src/Model/WorksheetModel.php(52): Materials\\Model\\WorksheetModel->appendElements(Object(Application\\Model\\ArrayObject))\n#11 /var/app/current/module/Materials/src/Model/MaterialModel.php(409): Materials\\Model\\WorksheetModel->appendWorksheetData(Object(Application\\Model\\ArrayObject))\n#12 /var/app/current/module/Materials/src/Controller/MaterialTrait.php(74): Materials\\Model\\MaterialModel->getMaterial('kamjjtfj', Object(Application\\Utils\\Parameters), Array)\n#13 /var/app/current/module/Materials/src/Controller/MaterialController.php(199): Materials\\Controller\\MaterialController->fetchMaterial('kamjjtfj', Object(Application\\Utils\\Parameters), Array)\n#14 /var/app/current/vendor/laminas/laminas-mvc/src/Controller/AbstractRestfulController.php(372): Materials\\Controller\\MaterialController->get('kamjjtfj')\n#15 /var/app/current/module/Application/src/Controller/GeoGebraController.php(104): Laminas\\Mvc\\Controller\\AbstractRestfulController->onDispatch(Object(Laminas\\Mvc\\MvcEvent))\n#16 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Application\\Controller\\GeoGebraController->onDispatch(Object(Laminas\\Mvc\\MvcEvent))\n#17 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(178): Laminas\\EventManager\\EventManager->triggerListeners(Object(Laminas\\Mvc\\MvcEvent), Object(Closure))\n#18 /var/app/current/vendor/laminas/laminas-mvc/src/Controller/AbstractController.php(105): Laminas\\EventManager\\EventManager->triggerEventUntil(Object(Closure), Object(Laminas\\Mvc\\MvcEvent))\n#19 /var/app/current/vendor/laminas/laminas-mvc/src/Controller/AbstractRestfulController.php(306): Laminas\\Mvc\\Controller\\AbstractController->dispatch(Object(Laminas\\Http\\PhpEnvironment\\Request), Object(Laminas\\Http\\PhpEnvironment\\Response))\n#20 /var/app/current/vendor/laminas/laminas-mvc/src/DispatchListener.php(117): Laminas\\Mvc\\Controller\\AbstractRestfulController->dispatch(Object(Laminas\\Http\\PhpEnvironment\\Request), Object(Laminas\\Http\\PhpEnvironment\\Response))\n#21 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Laminas\\Mvc\\DispatchListener->onDispatch(Object(Laminas\\Mvc\\MvcEvent))\n#22 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(178): Laminas\\EventManager\\EventManager->triggerListeners(Object(Laminas\\Mvc\\MvcEvent), Object(Closure))\n#23 /var/app/current/vendor/laminas/laminas-mvc/src/Application.php(319): Laminas\\EventManager\\EventManager->triggerEventUntil(Object(Closure), Object(Laminas\\Mvc\\MvcEvent))\n#24 /var/app/current/public/index.php(43): Laminas\\Mvc\\Application->run()\n#25 {main}\n\nNext RuntimeException: err_database in /var/app/current/module/Materials/src/Model/MaterialModel.php:877\nStack trace:\n#0 /var/app/current/module/Materials/src/Model/File/MaterialStorage.php(184): Materials\\Model\\MaterialModel->updateStorageKey(Object(Application\\Model\\ArrayObject), 'mgYBH1eXgLku3JZ...')\n#1 /var/app/current/module/Materials/src/Model/File/MaterialStorage.php(168): Materials\\Model\\File\\MaterialStorage->createStorageKey(Object(Application\\Model\\ArrayObject))\n#2 /var/app/current/module/Application/src/Model/Aws/AbstractStorage.php(23): Materials\\Model\\File\\MaterialStorage->init(Object(Application\\Model\\ArrayObject))\n#3 /var/app/current/module/Materials/src/Model/MaterialModel.php(917): Application\\Model\\Aws\\AbstractStorage->checkAndPrepare(Object(Application\\Model\\ArrayObject))\n#4 /var/app/current/module/Materials/src/Model/WorksheetModel.php(141): Materials\\Model\\MaterialModel->prepareEntity(Object(Application\\Model\\ArrayObject))\n#5 /var/app/current/module/Materials/src/Model/WorksheetModel.php(583): Materials\\Model\\WorksheetModel->prepareEntity(Object(Application\\Model\\ArrayObject))\n#6 /var/app/current/module/Materials/src/Model/WorksheetModel.php(520): Materials\\Model\\WorksheetModel->fetchElementsForWorksheet(Object(Application\\Model\\ArrayObject))\n#7 /var/app/current/module/Materials/src/Model/WorksheetModel.php(52): Materials\\Model\\WorksheetModel->appendElements(Object(Application\\Model\\ArrayObject))\n#8 /var/app/current/module/Materials/src/Model/MaterialModel.php(409): Materials\\Model\\WorksheetModel->appendWorksheetData(Object(Application\\Model\\ArrayObject))\n#9 /var/app/current/module/Materials/src/Controller/MaterialTrait.php(74): Materials\\Model\\MaterialModel->getMaterial('kamjjtfj', Object(Application\\Utils\\Parameters), Array)\n#10 /var/app/current/module/Materials/src/Controller/MaterialController.php(199): Materials\\Controller\\MaterialController->fetchMaterial('kamjjtfj', Object(Application\\Utils\\Parameters), Array)\n#11 /var/app/current/vendor/laminas/laminas-mvc/src/Controller/AbstractRestfulController.php(372): Materials\\Controller\\MaterialController->get('kamjjtfj')\n#12 /var/app/current/module/Application/src/Controller/GeoGebraController.php(104): Laminas\\Mvc\\Controller\\AbstractRestfulController->onDispatch(Object(Laminas\\Mvc\\MvcEvent))\n#13 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Application\\Controller\\GeoGebraController->onDispatch(Object(Laminas\\Mvc\\MvcEvent))\n#14 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(178): Laminas\\EventManager\\EventManager->triggerListeners(Object(Laminas\\Mvc\\MvcEvent), Object(Closure))\n#15 /var/app/current/vendor/laminas/laminas-mvc/src/Controller/AbstractController.php(105): Laminas\\EventManager\\EventManager->triggerEventUntil(Object(Closure), Object(Laminas\\Mvc\\MvcEvent))\n#16 /var/app/current/vendor/laminas/laminas-mvc/src/Controller/AbstractRestfulController.php(306): Laminas\\Mvc\\Controller\\AbstractController->dispatch(Object(Laminas\\Http\\PhpEnvironment\\Request), Object(Laminas\\Http\\PhpEnvironment\\Response))\n#17 /var/app/current/vendor/laminas/laminas-mvc/src/DispatchListener.php(117): Laminas\\Mvc\\Controller\\AbstractRestfulController->dispatch(Object(Laminas\\Http\\PhpEnvironment\\Request), Object(Laminas\\Http\\PhpEnvironment\\Response))\n#18 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(320): Laminas\\Mvc\\DispatchListener->onDispatch(Object(Laminas\\Mvc\\MvcEvent))\n#19 /var/app/current/vendor/laminas/laminas-eventmanager/src/EventManager.php(178): Laminas\\EventManager\\EventManager->triggerListeners(Object(Laminas\\Mvc\\MvcEvent), Object(Closure))\n#20 /var/app/current/vendor/laminas/laminas-mvc/src/Application.php(319): Laminas\\EventManager\\EventManager->triggerEventUntil(Object(Closure), Object(Laminas\\Mvc\\MvcEvent))\n#21 /var/app/current/public/index.php(43): Laminas\\Mvc\\Application->run()\n#22 {main}"}
    message:
    no error message '/materials/kamjjtfj?{"embed":"creator,contributors,interlinking,tags,actions,substrands,skillMaterials,skill","scope":"extended"}'