Fatal error: Uncaught Error: Class 'Dotenv\Environment\AbstractVariables' not found in /opt/lampp/htdocs/us/vendor/vlucas/phpdotenv/src/Environment/DotenvVariables.php:8 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/us/vendor/vlucas/phpdotenv/src/Environment/DotenvVariables.php on line 8