Fatal error: Uncaught Error: Class 'PHPUnit\Framework\Constraint\ClassHasAttribute' not found in /home/clienti2020/public_html/novaballet.it/vendor/phpunit/phpunit/src/Framework/Constraint/ClassHasStaticAttribute.php:20 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/phpunit/phpunit/src/Framework/Constraint/ClassHasStaticAttribute.php on line 20