[plt-scheme] Using DrScheme Debugger

From: Geoffrey S. Knauth (geoff at knauth.org)
Date: Mon Sep 29 08:10:43 EDT 2008

On Sep 28, 2008, at 12:49, e.jel 2.7 wrote:
> send: target is not an object: #f for method: get-tab

I saw something like that the other day, but I was developing a GUI in  
DrScheme, so I added:

#lang scheme/gui

to the top of my file and the error went away.  It sounds like you're  
doing something different and you're in EOPL3, but maybe this is a  
clue.  I last updated from svn a couple of weeks ago.

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