[Resolved]  The Professional Couriers — I'm not getting my package and there's nowhere to complain

My package #COK23971955 by The Professional Courier was to be delivered on 21st Jan, 2023 and I received the message that the package is out for delivery on that day. The delivery guy is not delivering the package despite me calling him numerous times. When I went to the The Professional Couriers website to register a complaint, the website shows an error when I try to register the complaint.

I'm neither getting my parcel nor I'm able to register a complaint to the courier service regarding this issue. It's very deceiving to not have a working complaint service for the customers. Here's the number of the delivery guy who's not delivering my package for the past two days, [protected].