Fatal error: Uncaught Error: Class 'Phinx\Migration\AbstractMigration' not found in E:\xampp\htdocs\www\TT\ThinkPHP\vendor\topthink\think-migration\src\Migrator.php:16 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\TT\ThinkPHP\vendor\topthink\think-migration\src\Migrator.php on line 16