Dell Vostro 3471 i3 9gen currently on win 11 ,Having error in fpt64

This is the NVME DXE driver already present in the latest bios, no mod is need.

EDIT: Install the new OS, follow the guide here on step 4
Step 4 - Installation of Win10/11 onto the NVMe SSD
[HowTo] Get full NVMe Support for all Systems with an AMI UEFI BIOS - Special Topics / NVMe Support for old Systems - Win-Raid Forum (level1techs.com)

When installing, disconnect all other disks from the machine, only the adapter with the NVMe.