Fatal error: Uncaught Error: Interface 'Psr\Http\Message\StreamInterface' not found in /home/flexinettek/public_html/vendor/zendframework/zend-diactoros/src/CallbackStream.php:21 Stack trace: #0 {main} thrown in /home/flexinettek/public_html/vendor/zendframework/zend-diactoros/src/CallbackStream.php on line 21