Hi Benjamin,
Note that it's not version 5.05, it's version 5.0a5, a for "alpha". This
means there are known bugs! Have you applied all the patches described
in the FAQ (http://herzberg.ca.sandia.gov/jess/FAQ.html) ? I believe
that the last listed one might be the culprit here.
I think Benjamin Good wrote:
>
>
> Hello,
>
> I have been trying to get my system (which ran on 4.44 and 5.04) up and
> running with JESS 5.05, but have run into some difficulty. If anyone
> could help, it would be much appreciated.
>
> the rule
> (defrule next-task
> (declare (salience -2))
> ?f <- (task (task-list ? $?rest))
> =>
> (modify ?f (task-list $?rest))
> )
>
> is supposed to step through the phases indicated by the multislot
> "task-list" on the template "task". (task (task-list construct-menu
> check-counterindications output))
>
> Now, ?f is getting matched to <fact -1> (it should be <fact 300>) and
> the program breaks when it hits the modify command because <fact -1>
> does not exist.
>
> What has changed which would cause this to happen?
>
> Thanks,
>
> Benjamin Good
> True Image Inc.
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---------------------------------------------------------
Ernest Friedman-Hill
Distributed Systems Research Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
Org. 8920, MS 9214 [EMAIL PROTECTED]
PO Box 969 http://herzberg.ca.sandia.gov
Livermore, CA 94550
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