Fatal error: Uncaught Error: Call to a member function humanize() on null in /home/tbadigital/eventos/vendor/symfony/framework-bundle/Resources/views/Form/button_widget.html.php:3 Stack trace: #0 {main} thrown in /home/tbadigital/eventos/vendor/symfony/framework-bundle/Resources/views/Form/button_widget.html.php on line 3