Fatal error: Uncaught TypeError: Modules\Statistic\Mappers\Statistic::columnWithValueExists(): Return value must be of type bool, null returned in /homepages/35/d336065686/htdocs/angel2/application/modules/statistic/mappers/Statistic.php:966 Stack trace: #0 /homepages/35/d336065686/htdocs/angel2/application/modules/statistic/mappers/Statistic.php(949): Modules\Statistic\Mappers\Statistic->columnWithValueExists() #1 /homepages/35/d336065686/htdocs/angel2/application/modules/statistic/controllers/Index.php(92): Modules\Statistic\Mappers\Statistic->osSeenBefore() #2 /homepages/35/d336065686/htdocs/angel2/application/libraries/Ilch/Page.php(241): Modules\Statistic\Controllers\Index->showAction() #3 /homepages/35/d336065686/htdocs/angel2/application/libraries/Ilch/Page.php(135): Ilch\Page->loadController() #4 /homepages/35/d336065686/htdocs/angel2/index.php(67): Ilch\Page->loadPage() #5 {main} thrown in /homepages/35/d336065686/htdocs/angel2/application/modules/statistic/mappers/Statistic.php on line 966