You didnt added the 306E4, those were already present in the bios, there were updated by UBU and the process is done by the tool, theres nothing that to check.
This is mod world, users should be prepared for it and their risks.
Perform a backup with the Intel FPT tool from ME8 package: fpt -d spi.bin and fpt -bios -d bios_reg.bin
Intel (Converged Security) Management Engine: Drivers, Firmware and Tools (2-15) - Special Topics / Intel Management Engine - Win-Raid Forum (level1techs.com)
Usually the M-Flash is the method for mod files
[Guide] How to flash a modded AMI UEFI BIOS - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)
Last resource for bios recovery, besides the ASRock Crashless BIOS…if it works, is the use of an SPI programmer like the the CH341A, the SPI chip is socked and can be removed to program.