Security Update 2021-004 10.15.7 Killed My System

When I tried to install the Security Update 2021-004 10.15.7, my desktop hackintosh stopped working.
It has a MSI x299 SLI Plus board and i7-7820X processor running Clover 5119.

Every thing worked perfectly before the update. The update first ran OK after reboot, then left me with the Clover option Boot macOS Install from Macintosh HD - Data. When I do that, it stops with errors.

Code:
AMF: Only 60/256 slide values are usable!
Valid slides 128-187

When I choose the normal boot option for...

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Author: fickerr