Sold $4.7M siesto elemento and the CR have never went to my bank

I need help on how to fix this. My lambo sesto elemento forza edition just sold for full ask and after I claimed it the CR never went to my bank account but my car is gone, the notification that it was sold is still in my auction alerts so I have proof that I never received my CR but I don’t no what to do, this is literally all my money and everything I have worked for so I am not playing until I somehow get either the CR or My car back. Can someone pls help me. Thank you!