We tested multiple versions and confirmed the issue does not exist in v3.4.7. Once we upgrade beyond that, the error reappears and breaks the Bookings admin interface.
To temporarily fix it, we’ve reverted to v3.4.7.
Undefined index: coderockz_woo_delivery_delivery_selection_box in /var/www/vhosts/petalstudio.com.au/httpdocs/wp-content/plugins/coderockz-woocommerce-delivery-date-time-pro/public/class-co
