Are you on macOS Catalina and is receiving a Memory Modules Misconfigured message? If so, make sure that your ESP under Clover or OpenCore is properly configured with the proper kernel extensions as that is the only fix currently for a Mac Pro (2019) Model Identifier.
00:00 – macOS Catalina 10.15.4 (19E266)
00:05 – About This Mac
00:25 – Arctic Fox Hackintosh System
00:35 – Reopen the Terminal app
00:45 – Mount the ESP without third-party application
01:00 – Showing the kexts for the Memory Modules Misconfigured issue.