Target device boot failure "EFI system partition (ESP) error: Unsupported, Streaming aborted"

This PC has UEFI instead of BIOS, by leveraging Booting from the NIC using DHCP. PVSNBPX65.EFI is already downloaded. Now the error is:" Boot from local disk. "EFI system partition ESP error: Unsupported, Streaming aborted" The error disappears if PC inserts a local hard drive...