Fatal error: Uncaught TypeError: strpos() expects parameter 1 to be string, null given in /app/vendor/magento/module-theme/Controller/Result/JsFooterPlugin.php:44 Stack trace: #0 /app/vendor/magento/module-theme/Controller/Result/JsFooterPlugin.php(44): strpos(NULL, '</body') #1 /app/vendor/magento/framework/Interception/Interceptor.php(121): Magento\Theme\Controller\Result\JsFooterPlugin->beforeSendResponse(Object(Magento\Framework\App\Response\Http\Interceptor)) #2 /app/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Response\Http\Interceptor->Magento\Framework\Interception\{closure}() #3 /app/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(26): Magento\Framework\App\Response\Http\Interceptor->___callPlugins('sendResponse', Array, Array) #4 /app/vendor/magento/framework/App/Bootstrap.php(262): Magento\Framework\App\Response\Http\Interceptor->sendResponse() #5 /app/pub/index.php(40): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor)) # in /app/vendor/magento/module-theme/Controller/Result/JsFooterPlugin.php on line 44