Fatal error: Uncaught Error: Interface 'Psr\Http\Message\MessageInterface' not found in /home/devmecseminars/public_html/mec/vendor/symfony/psr-http-message-bridge/Tests/Fixtures/Message.php:22
Stack trace:
#0 {main}
thrown in /home/devmecseminars/public_html/mec/vendor/symfony/psr-http-message-bridge/Tests/Fixtures/Message.php on line 22