> 
> Anyway, I got my debugger up and can explain what happens. "BFAV2
> Installer" is a load script - it first tries to install or upgrade the
> HTTPClient package. But there is no published HTTPClient package release
> for 3.8, only for 3.6 and 3.7
> 

My bad.  I just edited the HTTPClient package release to include 3.8
as one of the supported releases.