Conflict with WooCommerce Services

When I goto the email configurator in the middle box I get
“There has been a critical error on your website.”
in the area where the sample data/footer etc. Basically after ‘Your order details are shown below for your reference:’

I deactivate the WooCommerce Services and everything works great. Only issues is that it does automatic tax calculations and stuff and I do not want to lose out on that functionality. Any help is appreciated.