[ACT-R-users] Note about new version of Clozure Common Lisp

[db30 at andrew.cmu.edu]

If you are using Clozure Common Lisp to work with ACT-R and
have upgraded to version 1.11 (which the Mac App Store is
now making available) then you may encounter an error that
says "The function CHOOSE-FILE-DIALOG is predefined in
Clozure CL" when trying to load ACT-R.  That may happen
if it is an older version of ACT-R 6, 6.1, or 7 or if you
have previously loaded those sources into CCL 1.10.

If you have an older version of ACT-R then you will first need
to replace a file in the ACT-R support directory with the one
that is attached.  If you have the current version of ACT-R 7
then you already have the updated file.

To fix the problem, you must force ACT-R to recompile the files.
The easy way to do that is to evaluate this before loading the
main ACT-R loader:

(push :actr-recompile *features*)


If that doesn't help or you have questions about the problem
let me know.

Dan
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