Yes, this plugin generate some PHP errors like this:
Fatal error</b>: Uncaught Error: Call to a member function get_cart() on null in /Applications/MAMP/htdocs/wordpress/wp-content/plugins/tco-woo-checkout-editor/includes/tco_woo_checkout.woo.hooks.php:649
Stack trace:
#0 /Applications/MAMP/htdocs/wordpress/wp-content/plugins/tco-woo-checkout-editor/includes/tco_woo_checkout.woo.hooks.php(168): Tco_Woo_Hooks::conditional_fields(Array)
#1 /Applications/MAMP/htdocs/wordpress/wp-includes/class-wp-hook.php(286): Tco_Woo_Hooks::other_fields(Array)
#2 /Applications/MAMP/htdocs/wordpress/wp-includes/plugin.php(203): WP_Hook->apply_filters(Array, Array)
#3 /Applications/MAMP/htdocs/wordpress/wp-content/plugins/woocommerce-apg-sms-notifications/includes/formulario.php(329): apply_filters('woocommerce_che...', Array)
#4 /Applications/MAMP/htdocs/wordpress/wp-content/plugins/woocommerce-apg-sms-notifications/apg-sms.php(120): include('/Applications/M...')
#5 /Applications/MAMP/htdocs/wordpress/wp-includes/class-wp-hook.php(286): apg_sms_tab('')
#6 /Applications/MAMP/htdocs/wordpress/wp-in in <b>/Applications/MAMP/htdocs/wordpress/wp-content/plugins/tco-woo-checkout-editor/includes/tco_woo_checkout.woo.hooks.php</b> on line <b>649</b><br />
Talk with the author because his plugin overwrite the standard filter woocommerce_checkout_fields.
Kind regards.
