Online order paid but not received

Im really not impressed at the moment. I placed and paid for an online order Saturday 19 October 2019. The payment went off my account but I received no confirmation and, or any communication at all. I waited until yesterday, the 20 October 2019 and still received nothing. I went on to send an email regarding my issue lastnight to Mrp customer care email address where I, again, received no response whatsoever. I cannot track anything because I never received the confirmation and I did a guest checkout however, the payment has been made. How do I get help in this regard?? I want my stock that I ordered or my money back...its that simple. With service like this, I will not support Mrp again.