Generating invoices manually does not work#
If you click the Issue invoice button in WooCommerce order and nothing happens - the invoice is not generated: you should start with increasing your server's memory limit to a higher value. If this doesn't help, please check your debug.log file for any PHP errors.
Automatic invoices are not being generated#
If you have enabled the automated issuing of the documents, you have chosen a certain order status. If the invoices are not being generated automatically, please make sure that your order's status matches the status from the plugin settings.