Fatal error: Uncaught Error: Interface "Zend\Http\Header\MultipleHeaderInterface" not found in /home/mailtrim/public_html/vendor-backup/zendframework/zend-http/src/Header/ContentSecurityPolicy.php:15 Stack trace: #0 {main} thrown in /home/mailtrim/public_html/vendor-backup/zendframework/zend-http/src/Header/ContentSecurityPolicy.php on line 15