Fatal error: Uncaught Error: Class 'PHPUnit_Framework_Constraint' not found in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache/src/Test/Legacy/PHPUnit/AbstractCacheConstraint.php:19
Stack trace:
#0 {main}
thrown in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache/src/Test/Legacy/PHPUnit/AbstractCacheConstraint.php on line 19