Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of FluidXml\FluidContext::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/FluidXml/FluidContext.php:53
Stack trace:
#0 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/FluidXml/FluidContext.php(8): application\Core\Error::errorHandler()
#1 /var/www/cegadatapihu/cegadatapi.hu/landing/autoload.php(24): require_once('...')
#2 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/FluidXml/FluidXml.php(257): {closure}()
#3 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/FluidXml/FluidXml.php(269): FluidXml\FluidXml->context()
#4 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/FluidXml/FluidXml.php(225): FluidXml\FluidXml->chooseContext()
#5 /var/www/cegadatapihu/cegadatapi.hu/landing/modules/Sitemap/Controllers/SitemapController.php(20): FluidXml\FluidXml->addChild()
#6 [internal function]: modules\Sitemap\Controllers\SitemapController->XML()
#7 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/Pecee/SimpleRouter/ClassLoader/ClassLoader.php(34): call_user_func_array()
#8 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/Pecee/SimpleRouter/Route/Route.php(111): Pecee\SimpleRouter\ClassLoader\ClassLoader->loadClassMethod()
#9 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/Pecee/SimpleRouter/Router.php(414): Pecee\SimpleRouter\Route\Route->renderRoute()
#10 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/Pecee/SimpleRouter/Router.php(343): Pecee\SimpleRouter\Router->routeRequest()
#11 /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/Pecee/SimpleRouter/SimpleRouter.php(69): Pecee\SimpleRouter\Router->start()
#12 /var/www/cegadatapihu/cegadatapi.hu/landing/application/Core/Application.php(21): Pecee\SimpleRouter\SimpleRouter::start()
#13 /var/www/cegadatapihu/cegadatapi.hu/landing/index.php(70): application\Core\Application->dispatch()
#14 {main} in /var/www/cegadatapihu/cegadatapi.hu/landing/vendor/FluidXml/FluidContext.php on line 8