Fatal error: Uncaught Error: Call to undefined function plugin_dir_path() in C:\xampp\htdocs\wp-content\plugins\chatbot\includes\integration\openai\plugin-upgrader\config.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\chatbot\includes\integration\openai\plugin-upgrader\config.php on line 4