Fatal error: Uncaught Error: Interface "League\OAuth1\Client\Credentials\CredentialsInterface" not found in C:\xampp\htdocs\epingame\vendor\league\oauth1-client\src\Credentials\ClientCredentialsInterface.php:5
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\epingame\vendor\league\oauth1-client\src\Credentials\ClientCredentialsInterface.php on line 5