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