Fatal error: Uncaught JMS\Serializer\Exception\InvalidArgumentException: The cache directory "/var/www/html/portal_dev/webservice/releases/10/module/Admin/src/Admin/Serializer/../../../../../data/" is not writable. in /var/www/html/portal_dev/webservice/shared/vendor/jms/serializer/src/JMS/Serializer/SerializerBuilder.php:141 Stack trace: #0 /var/www/html/portal_dev/webservice/releases/10/module/Admin/src/Admin/Serializer/PostProcessor/JsonFormatter.php(16): JMS\Serializer\SerializerBuilder->setCacheDir() #1 /var/www/html/portal_dev/webservice/releases/10/module/Admin/src/Admin/Serializer/PostProcessor/PostProcessor.php(39): Admin\Serializer\PostProcessor\JsonFormatter->process() #2 [internal function]: Admin\Serializer\PostProcessor\PostProcessor->process() #3 /var/www/html/portal_dev/webservice/shared/vendor/zendframework/zend-eventmanager/src/EventManager.php(490): call_user_func() #4 /var/www/html/portal_dev/webservice/shared/vendor/zendframework/zend-eventmanager/src/EventManager.php(260): Zend\EventManager\EventManager->triggerListeners() #5 /var/www/html/portal_dev/webservice/shared/vendor/zendframework/zend-mvc/src/Application.php(340): Zend\EventManager\EventManager->triggerEventUntil() #6 /var/www/html/portal_dev/webservice/releases/10/public/index.php(43): Zend\Mvc\Application->run() #7 {main} thrown in /var/www/html/portal_dev/webservice/shared/vendor/jms/serializer/src/JMS/Serializer/SerializerBuilder.php on line 141