Hi Linas, I have also tried providing variable declaration parameter and ran > myfrog.scm
> (cog-fc source wiki (VariableNode "x" ) (SetLink)). Still got the same > error. :-( Backtrace: In ice-9/boot-9.scm: 157: 10 [catch #t #<catch-closure 49b2d40> ...] In unknown file: ?: 9 [apply-smob/1 #<catch-closure 49b2d40>] In ice-9/boot-9.scm: 157: 8 [catch #t #<catch-closure 49b2c20> ...] In unknown file: ?: 7 [apply-smob/1 #<catch-closure 49b2c20>] ?: 6 [call-with-input-string "(cog-fc source wiki (VariableNode \"x\" ) (SetLink))\n" ...] In ice-9/boot-9.scm: 2320: 5 [save-module-excursion #<procedure 30b2f00 at ice-9/eval-string.scm:65:9 ()>] In ice-9/eval-string.scm: 44: 4 [read-and-eval #<input: string 49a6c30> #:lang ...] 37: 3 [lp (cog-fc source wiki (VariableNode "x") (SetLink))] In unknown file: ?: 2 [opencog-extension cog-fc (# # # #)] In ice-9/boot-9.scm: 102: 1 [#<procedure 499fb80 at ice-9/boot-9.scm:97:6 (thrown-k . args)> C++-EXCEPTION ...] In unknown file: ?: 0 [apply-smob/1 #<catch-closure 49b2be0> C++-EXCEPTION ...] ERROR: In procedure apply-smob/1: ERROR: In procedure cog-fc: Not a node! (/home/vishnu/atomspace/opencog/atoms/base/Atom.h:193) Function args: ((InheritanceLink (ConceptNode "fritz") (ConceptNode "croaks") ) (ConceptNode "wikipedia-fc") (VariableNode "x") (SetLink ) ) ABORT: C++-EXCEPTION Thanks and regards, Vishnu -- You received this message because you are subscribed to the Google Groups "opencog" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/opencog. To view this discussion on the web visit https://groups.google.com/d/msgid/opencog/2e5cc79a-85d4-4628-8115-d27e8cf8c329%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
myfrog.scm
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