no xml file is generated

Hello.
I installed the plugin in my web, with WooCommerce 2.3.9.

The plugin does nothing, does not generate any file.

but the plugin if it works on my localhost with a lower version of WooCommerce 2.3.9.

I updated my localhost to version 2.3.9 and gives the same error.

Can you help me

thank you very much

https://wordpress.org/plugins/tfm-google-product-feed/