Hi, 

update octool and try again. The issue was fixed 
by https://github.com/opencog/ocpkg/pull/127

On Saturday, November 3, 2018 at 12:43:48 AM UTC+8, George John wrote:
>
> Hi,
> I am new to opencog. I tried installation of opencog in ubuntu 18.04 LTS. 
> I followed the instructions as per 
> https://wiki.opencog.org/w/Building_OpenCog .
> I then wanted to try handon with atoms and scheme shells. When I type in 
> guile.
>
> (use-modules (ice-9 readline)) (activate-readline)
>  
> I am getting the following error.
> While compiling expression:
> no code for module (ice-9 readline)
> ;;; <stdin>:1:31: warning: possibly unbound variable `activate-readline'
> <unnamed port>:1:31: In procedure module-lookup: Unbound variable: 
> activate-readline
>
> I tried installing readline-common and libreadline-dev. But the problem still 
> persists.
> Can anybody help me?
>
>

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