(TOP URENT) Time Slot Selection Field is missing from checkout page

Hi

Previously there is a time slot selection field after i select delivery date. There has been no issues. But out of the blue, the time slot selection field is missing.

I have check wp-admin settings page for this plugin. Everything has not changed but the field has disappear

How can I resolve this issue?

Thank you very much for your assistance

https://www.ads-software.com/plugins/woocommerce-customer-delivery-date-time-selection/