Fatal error: Uncaught TypeError: Argument 1 passed to Raumx\Didyouknow\ViewHelpers\PrevNextViewHelper::getNeighbours() must be an instance of Raumx\Didyouknow\Domain\Model\Question, null given, called in /html/erih_2020/typo3conf/ext/didyouknow/Classes/ViewHelpers/PrevNextViewHelper.php on line 29 and defined in /html/erih_2020/typo3conf/ext/didyouknow/Classes/ViewHelpers/PrevNextViewHelper.php:56 Stack trace: #0 /html/erih_2020/typo3conf/ext/didyouknow/Classes/ViewHelpers/PrevNextViewHelper.php(29): Raumx\Didyouknow\ViewHelpers\PrevNextViewHelper->getNeighbours(NULL) #1 [internal function]: Raumx\Didyouknow\ViewHelpers\PrevNextViewHelper->render() #2 /html/erih_2020/typo3_src-9.5.26/vendor/typo3fluid/fluid/src/Core/ViewHelper/AbstractViewHelper.php(264): call_user_func(Array) #3 /html/erih_2020/typo3_src-9.5.26/vendor/typo3fluid/fluid/src/Core/ViewHelper/AbstractViewHelper.php(252): TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper->callRenderMethod() #4 /html/erih_2020/typo3_src-9.5.26/vendor/typo3fluid/fluid/src/Core in /html/erih_2020/typo3conf/ext/didyouknow/Classes/ViewHelpers/PrevNextViewHelper.php on line 56