Fatal error: Uncaught Error: Class "PHPUnit\Framework\Constraint\Constraint" not found in /home/trombino/public_html/sanctions.trombino.org/vendor_3/symfony/mime/Test/Constraint/EmailHasHeader.php:17
Stack trace:
#0 {main}
thrown in /home/trombino/public_html/sanctions.trombino.org/vendor_3/symfony/mime/Test/Constraint/EmailHasHeader.php on line 17