ContextErrorException in Kernel.php line 338:

Warning: file_put_contents(/home/backend_microservice/private_webapp/var/cache/dev/classes.map): failed to open stream: No such file or directory

    in Kernel.php line 338
    at Kernel->setClassCache(array('Symfony\\Bundle\\FrameworkBundle\\EventListener\\SessionListener', 'Symfony\\Component\\HttpFoundation\\Session\\Storage\\NativeSessionStorage', 'Symfony\\Component\\HttpFoundation\\Session\\Storage\\PhpBridgeSessionStorage', 'Symfony\\Component\\HttpFoundation\\Session\\Storage\\Handler\\NativeFileSessionHandler', 'Symfony\\Component\\HttpFoundation\\Session\\Storage\\Proxy\\AbstractProxy', 'Symfony\\Component\\HttpFoundation\\Session\\Storage\\Proxy\\SessionHandlerProxy', 'Symfony\\Component\\HttpFoundation\\Session\\Session', 'Symfony\\Bundle\\FrameworkBundle\\Templating\\GlobalVariables', 'Symfony\\Bundle\\FrameworkBundle\\Templating\\TemplateReference', 'Symfony\\Bundle\\FrameworkBundle\\Templating\\TemplateNameParser', 'Symfony\\Bundle\\FrameworkBundle\\Templating\\Loader\\TemplateLocator', 'Symfony\\Component\\Cache\\Adapter\\ApcuAdapter', 'Symfony\\Component\\Cache\\Adapter\\FilesystemAdapter', 'Symfony\\Component\\Cache\\CacheItem', 'Symfony\\Component\\Routing\\Generator\\UrlGenerator', 'Symfony\\Component\\Routing\\RequestContext', 'Symfony\\Component\\Routing\\Router', 'Symfony\\Bundle\\FrameworkBundle\\Routing\\RedirectableUrlMatcher', 'Symfony\\Bundle\\FrameworkBundle\\Routing\\Router', 'Symfony\\Component\\Cache\\Adapter\\PhpArrayAdapter', 'Symfony\\Component\\Cache\\DoctrineProvider', 'Symfony\\Component\\Config\\ConfigCache', 'Symfony\\Component\\Config\\FileLocator', 'Symfony\\Component\\Debug\\ErrorHandler', 'Symfony\\Component\\DependencyInjection\\ContainerAwareInterface', 'Symfony\\Component\\DependencyInjection\\Container', 'Symfony\\Component\\EventDispatcher\\Event', 'Symfony\\Component\\EventDispatcher\\ContainerAwareEventDispatcher', 'Symfony\\Component\\HttpKernel\\EventListener\\ResponseListener', 'Symfony\\Component\\HttpKernel\\EventListener\\RouterListener', 'Symfony\\Component\\HttpKernel\\Bundle\\Bundle', 'Symfony\\Component\\HttpKernel\\Controller\\ControllerResolver', 'Symfony\\Component\\HttpKernel\\Controller\\ArgumentResolver', 'Symfony\\Component\\HttpKernel\\ControllerMetadata\\ArgumentMetadata', 'Symfony\\Component\\HttpKernel\\ControllerMetadata\\ArgumentMetadataFactory', 'Symfony\\Component\\HttpKernel\\Event\\KernelEvent', 'Symfony\\Component\\HttpKernel\\Event\\FilterControllerEvent', 'Symfony\\Component\\HttpKernel\\Event\\FilterResponseEvent', 'Symfony\\Component\\HttpKernel\\Event\\GetResponseEvent', 'Symfony\\Component\\HttpKernel\\Event\\GetResponseForControllerResultEvent', 'Symfony\\Component\\HttpKernel\\Event\\GetResponseForExceptionEvent', 'Symfony\\Component\\HttpKernel\\HttpKernel', 'Symfony\\Component\\HttpKernel\\KernelEvents', 'Symfony\\Component\\HttpKernel\\Config\\FileLocator', 'Symfony\\Bundle\\FrameworkBundle\\Controller\\ControllerNameParser', 'Symfony\\Bundle\\FrameworkBundle\\Controller\\ControllerResolver', 'Symfony\\Component\\Security\\Http\\Firewall', 'Symfony\\Component\\Security\\Core\\User\\UserProviderInterface', 'Symfony\\Component\\Security\\Core\\Authentication\\AuthenticationProviderManager', 'Symfony\\Component\\Security\\Core\\Authentication\\Token\\Storage\\TokenStorage', 'Symfony\\Component\\Security\\Core\\Authorization\\AccessDecisionManager', 'Symfony\\Component\\Security\\Core\\Authorization\\AuthorizationChecker', 'Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface', 'Symfony\\Bundle\\SecurityBundle\\Security\\FirewallConfig', 'Symfony\\Bundle\\SecurityBundle\\Security\\FirewallMap', 'Symfony\\Bundle\\SecurityBundle\\Security\\FirewallContext', 'Symfony\\Component\\HttpFoundation\\RequestMatcher', 'Twig_Environment', 'Twig_Extension', 'Twig_Extension_Core', 'Twig_Extension_Escaper', 'Twig_Extension_Optimizer', 'Twig_LoaderInterface', 'Twig_Markup', 'Twig_Template')) in AddClassesToCachePass.php line 52
    at AddClassesToCachePass->process(object(ContainerBuilder)) in Compiler.php line 120
    at Compiler->compile(object(ContainerBuilder)) in ContainerBuilder.php line 573
    at ContainerBuilder->compile() in Kernel.php line 487
    at Kernel->initializeContainer() in Kernel.php line 116
    at Kernel->boot() in Kernel.php line 165
    at Kernel->handle(object(Request)) in app_dev.php line 31