[racket] Please help

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Fri Jun 21 14:31:08 EDT 2013

Language -> Clear All Teachpacks 

Language -> Add Teachpack 

 see two columns 
 choose image from 2e column only 

That's it. 

Thanks for the report; the error message should definitely be more informative -- Matthias

On Jun 21, 2013, at 2:27 PM, Saad Bashir wrote:

> I have downloaded the Racket v 5.3.5  (June 2013).
> However when I open it to program (I am a beginner and using BSL to study HtDP). the following message is seen in the operation area in red as pasted below .   
> Welcome to DrRacket, version 5.3.4 [3m].
> Language: Beginning Student [custom]; memory limit: 128 MB.
> Teachpacks: image.ss and image.rkt.
> namespace-require/constant: assignment disallowed;
>  cannot change constant
>   constant: scene+line
> The problem the language does not function.  When I write even a simple line like (+ 3  2) in the definition area, and click run the following message appears rather than the result:
> teachpack: the teachpack 'image.ss' was not found
> > 
> I have tried to download several times but every time the same thing happens.
> Don't know what to do. Please help.
> Saad
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>  http://lists.racket-lang.org/users

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