Warning: Attempt to read property "type" on null in /var/www/vendor/vitessecms/sef/src/Listeners/Services/FrontendHtmlListener.php on line 61

Fatal error: Uncaught Error: Method name must be a string in /var/www/vendor/vitessecms/sef/src/Listeners/Services/FrontendHtmlListener.php:62 Stack trace: #0 /var/www/vendor/vitessecms/sef/src/Listeners/Services/FrontendHtmlListener.php(52): VitesseCms\Sef\Listeners\Services\FrontendHtmlListener->addItemSchema() #1 [internal function]: VitesseCms\Sef\Listeners\Services\FrontendHtmlListener->parseHeader() #2 [internal function]: Phalcon\Events\Manager->fireQueue() #3 /var/www/vendor/vitessecms/core/src/AbstractControllerFrontend.php(130): Phalcon\Events\Manager->fire() #4 /var/www/vendor/vitessecms/core/src/Traits/ControllerTrait.php(119): VitesseCms\Core\AbstractControllerFrontend->setViewServiceVars() #5 [internal function]: VitesseCms\Core\AbstractControllerFrontend->afterExecuteRoute() #6 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch() #7 /var/www/vendor/vitessecms/core/src/Bootstrap.php(68): Phalcon\Mvc\Application->handle() #8 /var/www/public_html/index.php(7): require_once('...') #9 {main} thrown in /var/www/vendor/vitessecms/sef/src/Listeners/Services/FrontendHtmlListener.php on line 62