1 exception(s): Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'block', attribute 'class': [facet 'pattern'] The value '\Magento\Framework\View\Element\Text\ListText' is not accepted by the pattern '[A-Z][_a-zA-Z\d]*(\\[A-Z][_a-zA-Z\d]*)*'. Line: 1040 Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'block', attribute 'class': [facet 'pattern'] The value '\Magento\Framework\View\Element\Text\ListText' is not accepted by the pattern '[A-Z][_a-zA-Z\d]*(\\[A-Z][_a-zA-Z\d]*)*'. Line: 1040 #0 /var/www/html/leogreen/vendor/magento/framework/Config/Dom.php(117): Magento\Framework\Config\Dom->_initDom('__construct('createObject('Magento\\Framewo...', Array) #3 /var/www/html/leogreen/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...', Array) #4 /var/www/html/leogreen/vendor/magento/framework/Config/DomFactory.php(43): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #5 /var/www/html/leogreen/vendor/magento/framework/View/Model/Layout/Update/Validator.php(141): Magento\Framework\Config\DomFactory->createDom(Array) #6 /var/www/html/leogreen/vendor/magento/framework/View/Model/Layout/Merge.php(476): Magento\Framework\View\Model\Layout\Update\Validator->isValid('_validateMergedLayout('LAYOUT_frontend...', '\n load() #9 /var/www/html/leogreen/vendor/magento/framework/View/Layout/Builder.php(63): Magento\Framework\View\Layout\Builder->loadLayoutUpdates() #10 /var/www/html/leogreen/vendor/magento/framework/View/Page/Config.php(212): Magento\Framework\View\Layout\Builder->build() #11 /var/www/html/leogreen/vendor/magento/framework/View/Page/Config.php(575): Magento\Framework\View\Page\Config->build() #12 /var/www/html/leogreen/vendor/magento/framework/View/Page/Config.php(533): Magento\Framework\View\Page\Config->getElementAttribute('body', 'class') #13 /var/www/html/leogreen/app/code/Smartwave/Porto/Plugin/UpdateBodyClass.php(30): Magento\Framework\View\Page\Config->addBodyClass('layout-1140') #14 /var/www/html/leogreen/vendor/magento/framework/Interception/Interceptor.php(121): Smartwave\Porto\Plugin\UpdateBodyClass->beforeRenderResult(Object(Magento\Framework\View\Result\Page\Interceptor), Object(Magento\Framework\App\Response\Http\Interceptor)) #15 /var/www/html/leogreen/app/code/Magezon/Core/Plugin/View/Result/Layout.php(24): Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Response\Http\Interceptor)) #16 /var/www/html/leogreen/vendor/magento/framework/Interception/Interceptor.php(135): Magezon\Core\Plugin\View\Result\Layout->aroundRenderResult(Object(Magento\Framework\View\Result\Page\Interceptor), Object(Closure), Object(Magento\Framework\App\Response\Http\Interceptor)) #17 /var/www/html/leogreen/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Response\Http\Interceptor)) #18 /var/www/html/leogreen/generated/code/Magento/Framework/View/Result/Page/Interceptor.php(26): Magento\Framework\View\Result\Page\Interceptor->___callPlugins('renderResult', Array, Array) #19 /var/www/html/leogreen/vendor/magento/framework/App/Http.php(139): Magento\Framework\View\Result\Page\Interceptor->renderResult(Object(Magento\Framework\App\Response\Http\Interceptor)) #20 /var/www/html/leogreen/vendor/magento/framework/App/Bootstrap.php(258): Magento\Framework\App\Http->launch() #21 /var/www/html/leogreen/uk/index.php(49): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor)) #22 {main}