Fatal error: Uncaught Error: Call to a member function getArtikels() on null in /home/www-data/kochag.ch/typo3conf/ext/ws_products/Classes/Controller/PreislisteController.php:121 Stack trace: #0 [internal function]: Webstobe\WsProducts\Controller\PreislisteController->listAction() #1 /home/www-data/kochag.ch/_t3_sources/typo3_src-7.6.31/typo3/sysext/extbase/Classes/Mvc/Controller/ActionController.php(283): call_user_func_array(Array, Array) #2 /home/www-data/kochag.ch/_t3_sources/typo3_src-7.6.31/typo3/sysext/extbase/Classes/Mvc/Controller/ActionController.php(176): TYPO3\CMS\Extbase\Mvc\Controller\ActionController->callActionMethod() #3 /home/www-data/kochag.ch/_t3_sources/typo3_src-7.6.31/typo3/sysext/extbase/Classes/Mvc/Dispatcher.php(86): TYPO3\CMS\Extbase\Mvc\Controller\ActionController->processRequest(Object(TYPO3\CMS\Extbase\Mvc\Web\Request), Object(TYPO3\CMS\Extbase\Mvc\Web\Response)) #4 /home/www-data/kochag.ch/_t3_sources/typo3_src-7.6.31/typo3/sysext/extbase/Classes/Mvc/Web/FrontendRequestHandler.php(69): TYPO3 in /home/www-data/kochag.ch/typo3conf/ext/ws_products/Classes/Controller/PreislisteController.php on line 121