Fatal error: Uncaught Error: Class "GrumPHP\Task\AbstractExternalTask" not found in /home/wilpf/public_html/pms/vendor/phpro/grumphp/src/Task/Git/Blacklist.php:17
Stack trace:
#0 {main}
thrown in /home/wilpf/public_html/pms/vendor/phpro/grumphp/src/Task/Git/Blacklist.php on line 17