Fatal error: Uncaught Error: Interface 'React\Promise\ExtendedPromiseInterface' not found in C:\gen\ms_core\DiscordApi\vendor\react\promise\src\RejectedPromise.php:8 Stack trace: #0 {main} thrown in C:\gen\ms_core\DiscordApi\vendor\react\promise\src\RejectedPromise.php on line 8