Warning: Undefined variable $method in C:\xampp\htdocs\bateriasec\vendor\symfony\framework-bundle\Resources\views\Form\form_start.html.php on line 1

Warning: Undefined variable $action in C:\xampp\htdocs\bateriasec\vendor\symfony\framework-bundle\Resources\views\Form\form_start.html.php on line 3
action="
Warning: Undefined variable $view in C:\xampp\htdocs\bateriasec\vendor\symfony\framework-bundle\Resources\views\Form\form_start.html.php on line 3

Fatal error: Uncaught Error: Call to a member function escape() on null in C:\xampp\htdocs\bateriasec\vendor\symfony\framework-bundle\Resources\views\Form\form_start.html.php:3 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bateriasec\vendor\symfony\framework-bundle\Resources\views\Form\form_start.html.php on line 3