Fatal error: Uncaught TypeError: Symfony\Component\Dotenv\Dotenv::loadEnv(): Argument #2 ($varName) must be of type string, null given, called in /htdocs/mautic.digitalic.fr/app/config/bootstrap.php on line 20 and defined in /htdocs/mautic.digitalic.fr/vendor/symfony/dotenv/Dotenv.php:82 Stack trace: #0 /htdocs/mautic.digitalic.fr/app/config/bootstrap.php(20): Symfony\Component\Dotenv\Dotenv->loadEnv('/htdocs/mautic....', NULL, 'prod') #1 /htdocs/mautic.digitalic.fr/index.php(9): require('/htdocs/mautic....') #2 {main} thrown in /htdocs/mautic.digitalic.fr/vendor/symfony/dotenv/Dotenv.php on line 82