Fatal error: Uncaught Error: Class 'Phinx\Migration\Manager' not found in /var/www/html/cake3-migration/vendor/cakephp/migrations/src/CakeManager.php:21
Stack trace:
#0 {main}
  thrown in /var/www/html/cake3-migration/vendor/cakephp/migrations/src/CakeManager.php on line 21