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Dear Fourm members,

I am a new member to this fourm. I recently found out about GAP and I am

really amazed by it.

However I have got a problem regarding an error message while I was

working with. Any help is appreciated.

I was trying to compute the automorphism of a graph using the command

AutGroupGraph but I got the following error message which I don't know

what to do with.

caygraph is a graph the I already defined for gap.

-----------------------------------

gap> AutGroupGraph( caygraph);

dreadnaut: sorry, no executable exists for this machine

Syntax error: ; expected in /tmp/02762caa line 1

drtogap3: sorry, no executable exists for this machine

^

Error, sorry, the elements of <arg> lie in no common ring domain in

Domain( gens ) called from

Group( GRAPE_dr_sgens, () ) called from

AutGroupGraph( caygraph ) called from

main loop

brk>

--------------------- Sincerely Yours, Shahriar Mokhtari

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