LinuxCNC 2.8.4. RT - pncconf - discover - mesa 7I92

Hi all,
I am trying to set up a complete new PC system.
So far it runs with a 2.8.2 image installation wich is updated to 2.8.4 in the meantime.
Mesa 7I92 is running connected via ethernet  and I flashed the (mesa) provided firmware 7I92_5ABOBx2D.bit.
My problem is not to know what I should enter In the field firmware using the wizzard. So I tried the discover option.
But I got this (attachement) error. Does anybody know how I can solve it. Thanks in advance
Detlev
LinuxCNC Version:  2.8
 

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pncconf/pages.py", line 914, in on_mesa0_discovery_clicked
    self.a.discovery_selection_update(info,0)
  File "/usr/bin/pncconf", line 1547, in discovery_selection_update
    firmdata = self.parse_xml( driver,boardname,firmname,path,boardnum)
NameError: global name 'boardnum' is not defined
 

Thanks, yes, probably. I am sure there is a way to configure it, but wouldn't it be wunderfull DISCOVER would recognize what's inside the Mesa board for a beginner like me?
That's why I asked focused on this error...

I pushed a fix for this to 2.8, but unfortunately I don't think there will be another 2.8 release.
Thanks for the bug report though.