[Guide] Usage of AMI’s AptioV UEFI Editor + FPT Flash Method

Where did you read the instructions to use Intel FPT tool???
Your system uses Intel ME 11, not 15 and the respective driver also needs to be installed in the OS.

EDIT: Flash Programming Tool Version 15.40.16.2534, you blind or what?

Intel (Converged Security) Management Engine: Drivers, Firmware and Tools (2-15) - Special Topics / Intel Management Engine - Win-Raid Forum (level1techs.com)

[Guide] Unlock Intel Flash Descriptor Read/Write Access Permissions for SPI Servicing - Special Topics / Intel Management Engine - Win-Raid Forum (level1techs.com)