[racket] Cannot open file in Racket 5.1.2

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Thu Aug 4 01:46:08 EDT 2011

Annoyingly I learned of this error today and have already fixed it but that
was after the release went out. I'm not sure about the other one you mention
but it sounds familiar.


On Wednesday, August 3, 2011, Mark Engelberg <mark.engelberg at gmail.com>
> Whenever I try to open a file in the new version of Racket (on
> Windows), I get the following error.  Anyone else having this problem,
> or could this be related to the other virus-checking problems I had
> with the install?
> sequence-contract-violation: negative: method end-edit-sequence cannot
> be called, except in states (in-edit-sequence)
>  === context ===
> C:\Program Files\Racket\collects\framework\private\text.rkt:1511:24
> C:\Program Files\Racket\collects\mred\private\wx\common\timer.rkt:34:38
> C:\Program Files\Racket\collects\mred\private\wx\common\queue.rkt:430:6
> C:\Program Files\Racket\collects\mred\private\wx\common\queue.rkt:470:32
> C:\Program Files\Racket\collects\mred\private\wx\common\queue.rkt:607:3
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