RPI3B+ 12.2-REL loader.lua no such file

[Per olof Ljungmark]

Hi,

Judging from googling I had the impression that installing 12.2-RELEASE 
on a RPI3B+ was a walk in the park.

Not so here.

Booting stops at loader with,

Setting curdev to disk0p1
ERROR: cannot open /boot/lua/loader.lua: no such file or directory

Should I assume that something is wrong with the image while writing it 
to the SD card?

FreeBSD-12.2-RELEASE-arm64-aarch64-RPI3.img

or is it something known?

Thanks!