WooCommerce Subscriptions CSV Importer and Exporter not working

[PipMagazine]

I am having exporting my subscriptions using your plugin WooCommerce Subscriptions CSV Importer and Exporter. Whenever I attempt to export it says
This page isn’t workinggrow.pipmagazine.com.au is currently unable to handle this request.
HTTP ERROR 500

I have a very important export I need to do today and I need to get this working. Can you look into why this isn't working please. All my plugins are up to date and it has been working prior to this.

One thing that may effect it is we recently changed to the new WooCommerce Order System (HPOS). Is it incompatable with that. Could you let me know ASAP if it is as I will look at using another exporter.

Thanks,
Robyn

[PipMagazine]

Could you please answer.

[eitayz]

The plugin crashes when trying to export.