I can't duplicate the problem with 5.1.3. Which exact installer did you use, because I dont see an x86 64bit installer for ubuntu? I used racket-5.1.3-bin-i386-linux-ubuntu-jaunty.sh
On Thu, Sep 15, 2011 at 2:50 AM, Anirudh Sanjeev <[email protected]> wrote: > Hi, > > I am new to scheme. I am trying to run small programs from SICP on Dr. Racket. > > This is my code: > (define (factorial n) > (if (= n 1) 1 > (* n (factorial (- n 1))))) > > (factorial 5) > > It runs fine. When I click the "Step" Button, I get an error like this: > > sequence-contract-violation: negative: method insert cannot be called, > except in states (unlocked), args ")" 408 > > === context === > /usr/local/lib/racket/collects/mred/private/snipfile.rkt:256:6: flush-text > /usr/local/lib/racket/collects/mred/private/snipfile.rkt:279:9 > /usr/local/lib/racket/collects/mzlib/private/port.rkt:53:7 > /usr/local/lib/racket/collects/racket/pretty.rkt:978:7: pr > /usr/local/lib/racket/collects/racket/pretty.rkt:1210:9: loop > /usr/local/lib/racket/collects/racket/pretty.rkt:978:7: pr > /usr/local/lib/racket/collects/racket/pretty.rkt:1210:9: loop > /usr/local/lib/racket/collects/racket/pretty.rkt:978:7: pr > /usr/local/lib/racket/collects/racket/pretty.rkt:1210:9: loop > /usr/local/lib/racket/collects/racket/pretty.rkt:978:7: pr > /usr/local/lib/racket/collects/racket/pretty.rkt:1210:9: loop > /usr/local/lib/racket/collects/racket/pretty.rkt:978:7: pr > /usr/local/lib/racket/collects/racket/pretty.rkt:1210:9: loop > /usr/local/lib/racket/collects/racket/pretty.rkt:978:7: pr > /usr/local/lib/racket/collects/racket/pretty.rkt:422:3: generic-write > /usr/local/lib/racket/collects/racket/pretty.rkt:234:18 > ... > > Information: > Dr. Racket 5.1.3 using the latest x86_64 installer on Ubuntu 11.04 64 > bit, with the "beginning student" language pack. > > I tried it on a Windows Machine and it works beautifully. Please let > me know how I can re-install it to work properly on my linux machine. > > Thank you, > Anirudh > > -- > http://skyronic.com > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
