Frustrated as hell

I made a purchase on Saturday i was buying Adidas Samba using Payflex i placed an order and received a confirmation email, confirming my order. My order number is 393128. I'm now trying to track my order and its soooo impossible. I sent an email to streetgym as i wanted to change my shipping address i never got any response. I sent a WhatsApp message no reply. I googled the courier company which Streetgym uses which is FastWay couriers they are asking for my order number and i out it in but it seems like they cant track it. I am sooooo frustrated because i don't know what's happeing to my order if its legit or not. I have bought things online previously (but not at Streetgym) and i have never ever experienced such, can Streetgym contact me and tell me whats happening to my order.