Fatal error: Uncaught Error: Interface "Dotenv\Repository\RepositoryInterface" not found in /home/course/u51/public_html/sandbox/vendor/vlucas/phpdotenv/src/Repository/AdapterRepository.php:11
Stack trace:
#0 {main}
thrown in /home/course/u51/public_html/sandbox/vendor/vlucas/phpdotenv/src/Repository/AdapterRepository.php on line 11