Opencore 7.2 Upgrade gone wrong and can't recover off USB

Hi All,
I have asked and been searching for two days now and not getting anywhere.
First I did test on a USB and things seemed to be working well.
Did a few reboots before I moved over to the main System Drive.

Now USB will not work or the main system. I keep getting stuck with the information attached.
On the BIOS I have disabled the SSD to boot from so only on the USB am I trying to boot.

If I can not get on the main drive again how can I fix the EFI folder?

Maybe a stupid question but...

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Author: Dersnap