[ES40-developers] What does this message about vgabios mean?

[Galen T. <gta...@ya...>]

I am new to your ES40 emulator but not to Alphas or
VMS--I've used both for eons.

I am trying to start ES40 on a Windows Vista 32 bit
laptop built on the AMD Athlon 64 X2 processor.  When
I try to start ES40 I get a command prompt window with
a few messages that end with:

%VGA-F-ROM: Cannot load rom
'rom\vgabios-0.6a.debug.bin'

Can you tell me what this means?

Thanks,

Galen