Fatal error: Uncaught Error: Interface "Psr\Http\Client\ClientExceptionInterface" not found in C:\svn\conexerp\vendor\guzzlehttp\guzzle\src\Exception\GuzzleException.php:7 Stack trace: #0 {main} thrown in C:\svn\conexerp\vendor\guzzlehttp\guzzle\src\Exception\GuzzleException.php on line 7