0 percent service from KFC South Africa

Hello Peter. I went to KFC Vall Mall on 18 May 2025 time 11:33 throw drive way to order Twister Classic and Strawberry Milkshake drive through first window paid and end up in the last window of drive throw only to be notified that my order was wrong so they would like me to park in the parking area come inside to pay with my debit card and I said no I have a reason why I decided to do drive throw I won’t be able to explain my self why? And they called the manager by then to come and I assist with the wrong order that was made by them as employees of KFC, she then came and started to say to me what happened I said to her I won’t be able to explain my self to you for the second time I’ve explained my self to the employees so if you want know what happened please ask them she said that in to get assistance to need to park in the parking area and get inside. She rude not friendly at all she display the level of attitude and arrogance in me and I decided to leave without actually getting help so I would if you can assist in helping this matter resolved. I tried reaching out to them laying complain, non of assistance I did receive from KFC South Africa the case no is CAS-***-Z2C0S5 till this day of 24th June 2025 nothing has happened please kindly help I even send and email to KFC south complain but nothing has been resolved kindly help