Symfony 3 The CSRF token is invalid. Please try to resubmit the form [Solution]

If you get this problem: Symfony 3 The CSRF token is invalid. Please try to resubmit the form Solution 1 : In your app/config/config.yml change : save_path: "%kernel.root_dir%/../var/sessions/%kernel.environment%"to : save_path: ~ Solution 2 :