Fatal error: Uncaught Error: Interface "Psr\Http\Client\ClientExceptionInterface" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\psr\http-client\src\RequestExceptionInterface.php:14 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\psr\http-client\src\RequestExceptionInterface.php on line 14