Fatal error: Uncaught TypeError: PrestaShop\PrestaShop\Core\Util\String\StringModifier::htmlToText(): Argument #1 ($html) must be of type string, null given, called in /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Tools.php on line 4474 and defined in /var/www/vhosts/geluid.eu/presta.geluid.eu/src/Core/Util/String/StringModifier.php:48 Stack trace: #0 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Tools.php(4474): PrestaShop\PrestaShop\Core\Util\String\StringModifier->htmlToText() #1 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Category.php(176): ToolsCore::htmlToText() #2 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Category.php(316): CategoryCore::getDescriptionClean() #3 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Category.php(306): CategoryCore->recurseLiteCategTree() #4 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Category.php(306): CategoryCore->recurseLiteCategTree() #5 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Category.php(306): CategoryCore->recurseLiteCategTree() #6 /var/www/vhosts/geluid.eu/presta.geluid.eu/controllers/front/SitemapController.php(73): CategoryCore->recurseLiteCategTree() #7 /var/www/vhosts/geluid.eu/presta.geluid.eu/controllers/front/SitemapController.php(25): SitemapControllerCore->getCategoriesLinks() #8 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/controller/Controller.php(308): SitemapControllerCore->initContent() #9 /var/www/vhosts/geluid.eu/presta.geluid.eu/classes/Dispatcher.php(508): ControllerCore->run() #10 /var/www/vhosts/geluid.eu/presta.geluid.eu/index.php(66): DispatcherCore->dispatch() #11 {main} thrown in /var/www/vhosts/geluid.eu/presta.geluid.eu/src/Core/Util/String/StringModifier.php on line 48