ONLINE ORDER NOT DELIVERED!!!!!!

I ordered a few clothing items on the Mr Price online app, got a notification that my order will be delivered to my door step on 03/03/2023 before 17H00 PM. I received confirmation that my order is out for delivery however nothing was delivered to me on the day. No communication whatsoever. I want to know what is going on and I'm not happy about the incompetence and poor service I am receiving. Order number is ***