Shein package

Im very ****ed and disappointed at the same time. I received an email from Buffalo intl logistics aaking me to pay for my order, an amount of R129.31. So I used the option of bank transfer (immediate transfer that is) on 23/11/21. When I got a proof of payment from Capitec, it showed the incorrect reference number of which I did put the correct but it must've been because I probably put it in the incorrect place or Capitec's error. Anyways, I called their landline number to enquire about the incorrect reference and the fact the I paid. The lady I spoke to said she was letting the online people know about my issue and that they will probably get back to me in 3-4 days. Annoying part is, I received the same email from Buffalo yesterday 26/11/21 saying I must pay? Like? What the heck? What was the whole purpose of the call I made to let them know about my issue? What are call centre agents for? I even sent them several emails, starting from 24/11/21, double texted on whatsapp since 23/11/21 and still nothing, yet when you call they say if you'd like text them on whatsapp for a quick response mxm! Im so mad because now I will be forced to cancel my birthday ceremont because of this. I've already paid thousands for it and the Shein package cannot be delayed, if so, I need to cancel everything and its disgusting that to get their attention I probably need to go to their offices of which I dont even know where they are. I have no car, and taking taxis will probably make me get lost. Im stressed. Im ****ed. My expected delivery of my package is 8-10 Dec, same week of my birthday. Now Im forced to cancel by the looks of things.