Fatal error: Uncaught Error: Interface "Dotenv\Store\StoreInterface" not found in /home/course/u51/public_html/sandbox/vendor/vlucas/phpdotenv/src/Store/StringStore.php:7 Stack trace: #0 {main} thrown in /home/course/u51/public_html/sandbox/vendor/vlucas/phpdotenv/src/Store/StringStore.php on line 7