Error: Class 'FacebookAds\Object\ServerSide\UserData' not found in /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/app/code/Facebook/BusinessExtension/Helper/ServerEventFactory.php:21 Stack trace: #0 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/app/code/Facebook/BusinessExtension/Helper/ServerEventFactory.php(132): Facebook\BusinessExtension\Helper\ServerEventFactory::newEvent() #1 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/app/code/Facebook/BusinessExtension/Observer/ViewCategory.php(47): Facebook\BusinessExtension\Helper\ServerEventFactory::createEvent() #2 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Event/Invoker/InvokerDefault.php(88): Facebook\BusinessExtension\Observer\ViewCategory->execute() #3 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Event/Invoker/InvokerDefault.php(74): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod() #4 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch() #5 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch() #6 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/app/code/Facebook/BusinessExtension/Block/Pixel/Common.php(79): Magento\Framework\Event\Manager\Proxy->dispatch() #7 [internal function]: Facebook\BusinessExtension\Block\Pixel\Common->trackServerEvent() #8 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/TemplateEngine/Php.php(94): call_user_func_array() #9 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/TemplateEngine/Php/Interceptor.php(37): Magento\Framework\View\TemplateEngine\Php->__call() #10 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/app/code/Facebook/BusinessExtension/view/frontend/templates/pixel/view_category.phtml(4): Magento\Framework\View\TemplateEngine\Php\Interceptor->__call() #11 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/TemplateEngine/Php.php(71): include('/var/www/vhosts...') #12 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\TemplateEngine\Php->render() #13 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\TemplateEngine\Php\Interceptor->___callParent() #14 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\TemplateEngine\Php\Interceptor->Magento\Framework\Interception\{closure}() #15 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/TemplateEngine/Php/Interceptor.php(26): Magento\Framework\View\TemplateEngine\Php\Interceptor->___callPlugins() #16 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Element/Template.php(273): Magento\Framework\View\TemplateEngine\Php\Interceptor->render() #17 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Element/Template.php(303): Magento\Framework\View\Element\Template->fetchView() #18 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Element/AbstractBlock.php(1111): Magento\Framework\View\Element\Template->_toHtml() #19 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Element/AbstractBlock.php(1115): Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element\{closure}() #20 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Element/AbstractBlock.php(675): Magento\Framework\View\Element\AbstractBlock->_loadCache() #21 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(566): Magento\Framework\View\Element\AbstractBlock->toHtml() #22 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(542): Magento\Framework\View\Layout->_renderBlock() #23 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(206): Magento\Framework\View\Layout->renderNonCachedElement() #24 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(497): Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() #25 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(193): Magento\Framework\View\Layout->renderElement() #26 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(594): Magento\Framework\View\Layout\Interceptor->renderElement() #27 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(544): Magento\Framework\View\Layout->_renderContainer() #28 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(206): Magento\Framework\View\Layout->renderNonCachedElement() #29 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(497): Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() #30 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(193): Magento\Framework\View\Layout->renderElement() #31 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(594): Magento\Framework\View\Layout\Interceptor->renderElement() #32 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(544): Magento\Framework\View\Layout->_renderContainer() #33 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(206): Magento\Framework\View\Layout->renderNonCachedElement() #34 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(497): Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() #35 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(193): Magento\Framework\View\Layout->renderElement() #36 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(594): Magento\Framework\View\Layout\Interceptor->renderElement() #37 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(544): Magento\Framework\View\Layout->_renderContainer() #38 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(206): Magento\Framework\View\Layout->renderNonCachedElement() #39 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(497): Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() #40 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(193): Magento\Framework\View\Layout->renderElement() #41 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Layout.php(963): Magento\Framework\View\Layout\Interceptor->renderElement() #42 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\Layout->getOutput() #43 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\Layout\Interceptor->___callParent() #44 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\Layout\Interceptor->Magento\Framework\Interception\{closure}() #45 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Layout/Interceptor.php(494): Magento\Framework\View\Layout\Interceptor->___callPlugins() #46 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Result/Page.php(258): Magento\Framework\View\Layout\Interceptor->getOutput() #47 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/View/Result/Layout.php(171): Magento\Framework\View\Result\Page->render() #48 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\Result\Layout->renderResult() #49 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\Result\Page\Interceptor->___callParent() #50 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}() #51 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/View/Result/Page/Interceptor.php(130): Magento\Framework\View\Result\Page\Interceptor->___callPlugins() #52 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/App/Http.php(120): Magento\Framework\View\Result\Page\Interceptor->renderResult() #53 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/generated/code/Magento/Framework/App/Http/Interceptor.php(24): Magento\Framework\App\Http->launch() #54 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http\Interceptor->launch() #55 /var/www/vhosts/m2-yofeely.magedemo.co.uk/httpdocs/index.php(43): Magento\Framework\App\Bootstrap->run() #56 {main}