Fatal error: Uncaught Error: Undefined constant "Forge\Core\App\MANAGER_CACHE_FLUSH" in /var/www/html/core/app/class.migrationmanager.php:78 Stack trace: #0 /var/www/html/core/app/class.migrationmanager.php(55): Forge\Core\App\MigrationManager->_getMigrations() #1 /var/www/html/core/app/class.migrationmanager.php(19): Forge\Core\App\MigrationManager->getMigrations() #2 /var/www/html/core/app/class.app.php(82): Forge\Core\App\MigrationManager->start() #3 /var/www/html/core/app/class.app.php(133): Forge\Core\App\App->managers() #4 /var/www/html/core/app/class.app.php(146): Forge\Core\App\App->prepare() #5 /var/www/html/index.php(30): Forge\Core\App\App->run() #6 {main} thrown in /var/www/html/core/app/class.migrationmanager.php on line 78