You wrote:

>> BTW, your post made it the first time.  I was hoping someone more
>> knowledgable would answer your questions, but I guess you're stuck with
>> me!  ;-p
> 
>..aouch!  ;-)   which first post? (message id?)

He probably means the first post about this problem. No one responded
because no one knows the solution (at least I didn't and I guess it's
the same for the other people).

>Is this error related to the valid OpenGL context"?

I can't see how, but might well miss something.

>..in FG and ssgInit context, what _is_ "a valid OpenGL context"?

The OpenGL context is normally not created inside ssg/with ssg
functions, but in the app. For example, PrettyPolyEditor usses FLTK
for its GUI and tells FLTK to create a context. The actual code for
creating the context (in this instance, inside FLTK) is operating
system specific.
When you call ssgInit and have no OpenGL context, that's a fatal
error.
An OpenGL context is more or less a window into which OpenGL can
render.

Bye bye,
Wolfram.

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