Fatal error: Uncaught Error: Class "League\OAuth1\Client\Credentials\Credentials" not found in C:\Apache24\htdocs\BookStack\vendor\league\oauth1-client\src\Credentials\TokenCredentials.php:5 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\BookStack\vendor\league\oauth1-client\src\Credentials\TokenCredentials.php on line 5