exporter does not work

[Shahin-rmz]

Hello,
Thanks for providing the plugin.
The export function does not work for me.
here is the error that I get:

Fatal error: Uncaught Error: Failed opening required 'fileio/file_io.php' (include_path='.:/usr/local/lib/php') in /var/www/html/user/plugins/YOURLS-Import-Export/plugin.php:142 Stack trace: #0 /var/www/html/user/plugins/YOURLS-Import-Export/plugin.php(110): yourls_imex_export_urls('rss') #1 /var/www/html/includes/functions-plugins.php(224): yourls_imex_handle_post(Array) #2 /var/www/html/includes/functions-plugins.php(275): yourls_apply_filter('load-import_exp...', Array, true) #3 /var/www/html/includes/functions-plugins.php(798): yourls_do_action('load-import_exp...') #4 /var/www/html/admin/plugins.php(8): yourls_plugin_admin_page('import_export') #5 {main} thrown in /var/www/html/user/plugins/YOURLS-Import-Export/plugin.php on line 142