Fatal error: Uncaught Error: Interface "Dotenv\Exception\ExceptionInterface" not found in /home/course/u51/public_html/sandbox/vendor/vlucas/phpdotenv/src/Exception/InvalidEncodingException.php:9 Stack trace: #0 {main} thrown in /home/course/u51/public_html/sandbox/vendor/vlucas/phpdotenv/src/Exception/InvalidEncodingException.php on line 9