Plenty of errors in debug.log

WooCommerce Checkout Manager Version 3.6.8
WP: 4.3.1

Here’s what I get if I debug wordpress on the billing page:
http://codeshare.io/QmOpu

Not a pretty view! Can you please do something about this?

https://ww.wp.xz.cn/plugins/woocommerce-checkout-manager/