I am using the latest version of the WooCommerce plugin Print Invoices and Packing Lists and StoreFront Pro 3.0. WooCommerce is the version 2.5.5, WordPress is version
When I try and customise the invoice or packing template using WooCommerce PIP the following error is shown 10 times(different line numbers. Deactivating Storefront Pro allows WooCommerce Print Invoices and Packing Lists to displays its customise options without error.
Warning: Creating default object from empty value in /home/xxxx/public_html/xxxxx/wp-content/plugins/storefront-pro/includes/class-admin.php on line 183.