Fatal error: Uncaught Error: Class 'PHPUnit\Framework\Constraint\Constraint' not found in C:\xampp73\htdocs\MonitoresCIE_C\vendor\symfony\mime\Test\Constraint\EmailAttachmentCount.php:18
Stack trace:
#0 {main}
thrown in C:\xampp73\htdocs\MonitoresCIE_C\vendor\symfony\mime\Test\Constraint\EmailAttachmentCount.php on line 18