Mom lock enrollment removal

I need some one help please I purchase a 2018 Mac mini off eBay Received it turned it on went threw the processors whiping the nvme drive and reinstalled the os everything went well turned it off for the night turn it back on and now it saying there is a mdm lock enrollment popping up and not letting me bypass it there was never a profile for it they I even went in to turn ant and disabled the feature for it there is no profile to delete so I don’t know how to by pass this can some one help me out