[plt-scheme] Exceptions and the printed messages

Hello,
I have some pieces of source code on DrScheme that have exceptions and when 
one is raise I get:
uncaught exception: #<struct:schemeql-bad-column-spec>
Is it possible to get more info that that, like the contents of the 
exceptions ? easily.
I'd like to get the string of the exception printed out, like on errors, is 
that possible ?
All these on the REPL.
Thank you.
-- 
Pupeno <pupeno at pupeno.com> (http://pupeno.com)
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