Fatal error: Uncaught Error: Call to a member function getContentType() on null in /srv/public_html/app/code/Blackbird/ContentManager/Block/Content/Widget/View.php:76 Stack trace: #0 /srv/public_html/vendor/magento/module-page-cache/Model/Layout/LayoutPlugin.php(71): Blackbird\ContentManager\Block\Content\Widget\View->getIdentities() #1 /srv/public_html/vendor/magento/framework/Interception/Interceptor.php(146): Magento\PageCache\Model\Layout\LayoutPlugin->afterGetOutput(Object(Magento\Framework\View\Layout\Interceptor), '\n<script>\n t...') #2 /srv/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\Layout\Interceptor->Magento\Framework\Interception\{closure}() #3 /srv/public_html/generated/code/Magento/Framework/View/Layout/Interceptor.php(494): Magento\Framework\View\Layout\Interceptor->___callPlugins('getOutput', Array, Array) #4 /srv/public_html/vendor/magento/framework/View/Result/Page.php(257): Magento\Framework\View\Layout\Interceptor->getOutput() #5 /srv/public_html/v in /srv/public_html/app/code/Blackbird/ContentManager/Block/Content/Widget/View.php on line 76