Re: a little help on an error message?

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Allan Schaffer (allan++at++holodeck.engr.sgi.com)
Fri, 13 Mar 1998 18:11:11 -0800

On Mar 13, 2:57pm, Allen, Donna N wrote:
>
> I get the following error messages upon loading. Does anyone have a
> clue what they mean? Thank you so much...

Hard to say offhand, but:

> PF Warning/Usage: pfClone() NULL pfNode*.

pfClone(null-pointer); causes this.

> PF Warning/Usage: pfAddChild: Bad child 0x0.

if you try to:

   pfAddChild (parent, NULL-pointer);
or pfAddChild (parent, parent);

you'll get this error.

>
> PF Warning/Usage: pfSequence: Frame 1 indexes out of child
> array 1.

The pfSequence node holds a list of children; this error means that
there's been an attempt to dereference a child beyond the end of the
list.

I would assume these are all cascading errors; my guess is something
like this:

   subgraph = loadmyfile("foo") <-- but loadmyfile returned null
   root = pfClone(subgraph) <-- fails b/c subgraph is null
   pfAddChild (sequence, root) <-- etc

Allan

-- 
Allan Schaffer                                                allan++at++sgi.com
Silicon Graphics                               http://reality.sgi.com/allan
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