Fatal error: Uncaught Error: Class 'PHPUnit\Framework\Constraint\Constraint' not found in /home/caistbuw/public_html/vendor/symfony/mime/Test/Constraint/EmailHeaderSame.php:18
Stack trace:
#0 {main}
thrown in /home/caistbuw/public_html/vendor/symfony/mime/Test/Constraint/EmailHeaderSame.php on line 18