TypeError: strlen() expects parameter 1 to be string, null given in /var/www/clients/client1/web2/web/app/code/Magefan/ThemeOptimized/Observer/LayoutLoadBeforeObserver.php:40 Stack trace: #0 /var/www/clients/client1/web2/web/app/code/Magefan/ThemeOptimized/Observer/LayoutLoadBeforeObserver.php(40): strlen() #1 /var/www/clients/client1/web2/web/vendor/magento/framework/Event/Invoker/InvokerDefault.php(88): Magefan\ThemeOptimized\Observer\LayoutLoadBeforeObserver->execute() #2 /var/www/clients/client1/web2/web/vendor/magento/framework/Event/Invoker/InvokerDefault.php(74): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod() #3 /var/www/clients/client1/web2/web/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch() #4 /var/www/clients/client1/web2/web/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch() #5 /var/www/clients/client1/web2/web/vendor/magento/framework/View/Layout/Builder.php(81): Magento\Framework\Event\Manager\Proxy->dispatch() #6 /var/www/clients/client1/web2/web/vendor/magento/framework/View/Layout/Builder.php(63): Magento\Framework\View\Layout\Builder->loadLayoutUpdates() #7 /var/www/clients/client1/web2/web/vendor/magento/framework/View/Page/Config.php(224): Magento\Framework\View\Layout\Builder->build() #8 /var/www/clients/client1/web2/web/vendor/magento/framework/View/Page/Config.php(587): Magento\Framework\View\Page\Config->build() #9 /var/www/clients/client1/web2/web/vendor/magento/framework/View/Page/Config.php(545): Magento\Framework\View\Page\Config->getElementAttribute() #10 /var/www/clients/client1/web2/web/vendor/magento/module-catalog/Helper/Product/View.php(224): Magento\Framework\View\Page\Config->addBodyClass() #11 /var/www/clients/client1/web2/web/generated/code/Magento/Catalog/Helper/Product/View/Interceptor.php(23): Magento\Catalog\Helper\Product\View->initProductLayout() #12 /var/www/clients/client1/web2/web/vendor/magento/module-catalog/Helper/Product/View.php(299): Magento\Catalog\Helper\Product\View\Interceptor->initProductLayout() #13 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Catalog\Helper\Product\View->prepareAndRender() #14 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Catalog\Helper\Product\View\Interceptor->___callParent() #15 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Helper\Product\View\Interceptor->Magento\Framework\Interception\{closure}() #16 /var/www/clients/client1/web2/web/generated/code/Magento/Catalog/Helper/Product/View/Interceptor.php(32): Magento\Catalog\Helper\Product\View\Interceptor->___callPlugins() #17 /var/www/clients/client1/web2/web/vendor/magento/module-catalog/Controller/Product/View.php(140): Magento\Catalog\Helper\Product\View\Interceptor->prepareAndRender() #18 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Catalog\Controller\Product\View->execute() #19 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Catalog\Controller\Product\View\Interceptor->___callParent() #20 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Controller\Product\View\Interceptor->Magento\Framework\Interception\{closure}() #21 /var/www/clients/client1/web2/web/generated/code/Magento/Catalog/Controller/Product/View/Interceptor.php(23): Magento\Catalog\Controller\Product\View\Interceptor->___callPlugins() #22 /var/www/clients/client1/web2/web/vendor/magento/framework/App/Action/Action.php(111): Magento\Catalog\Controller\Product\View\Interceptor->execute() #23 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Action\Action->dispatch() #24 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Catalog\Controller\Product\View\Interceptor->___callParent() #25 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Controller\Product\View\Interceptor->Magento\Framework\Interception\{closure}() #26 /var/www/clients/client1/web2/web/generated/code/Magento/Catalog/Controller/Product/View/Interceptor.php(32): Magento\Catalog\Controller\Product\View\Interceptor->___callPlugins() #27 /var/www/clients/client1/web2/web/vendor/magento/framework/App/FrontController.php(245): Magento\Catalog\Controller\Product\View\Interceptor->dispatch() #28 /var/www/clients/client1/web2/web/vendor/magento/framework/App/FrontController.php(212): Magento\Framework\App\FrontController->getActionResponse() #29 /var/www/clients/client1/web2/web/vendor/magento/framework/App/FrontController.php(147): Magento\Framework\App\FrontController->processRequest() #30 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\FrontController->dispatch() #31 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent() #32 /var/www/clients/client1/web2/web/vendor/magento/module-store/App/FrontController/Plugin/RequestPreprocessor.php(99): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() #33 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Store\App\FrontController\Plugin\RequestPreprocessor->aroundDispatch() #34 /var/www/clients/client1/web2/web/vendor/magento/module-page-cache/Model/App/FrontController/BuiltinPlugin.php(75): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() #35 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(135): Magento\PageCache\Model\App\FrontController\BuiltinPlugin->aroundDispatch() #36 /var/www/clients/client1/web2/web/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() #37 /var/www/clients/client1/web2/web/generated/code/Magento/Framework/App/FrontController/Interceptor.php(23): Magento\Framework\App\FrontController\Interceptor->___callPlugins() #38 /var/www/clients/client1/web2/web/vendor/magento/framework/App/Http.php(116): Magento\Framework\App\FrontController\Interceptor->dispatch() #39 /var/www/clients/client1/web2/web/generated/code/Magento/Framework/App/Http/Interceptor.php(23): Magento\Framework\App\Http->launch() #40 /var/www/clients/client1/web2/web/vendor/magento/framework/App/Bootstrap.php(264): Magento\Framework\App\Http\Interceptor->launch() #41 /var/www/clients/client1/web2/web/pub/index.php(29): Magento\Framework\App\Bootstrap->run() #42 {main}