Fatal error: Uncaught Error: Interface 'Psr\Http\Message\StreamInterface' not found in /var/www/courses.riftvalley.net/wordpress/wp-content/plugins/depicter/vendor/guzzlehttp/psr7/src/MultipartStream.php:13 Stack trace: #0 {main} thrown in /var/www/courses.riftvalley.net/wordpress/wp-content/plugins/depicter/vendor/guzzlehttp/psr7/src/MultipartStream.php on line 13