error when clicking 'shadow' button

[spdegabrielle]

symbol->string: contract violation
  expected: symbol?
  given: '(name . add-menu)
  context...:
   /Applications/Racket v7.9/share/pkgs/quickscript/shadow-script.rkt:20:0: shadow-script-proc
   /Applications/Racket v7.9/share/pkgs/quickscript/shadow-script.rkt:39:0: make-shadow-script
   /Applications/Racket v7.9/share/pkgs/quickscript/library-gui.rkt:106:4: shadow-selected-file
   /Applications/Racket v7.9/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt:435:6
   /Applications/Racket v7.9/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt:486:32
   /Applications/Racket v7.9/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt:634:3

[Metaxal]

Should be fixed by this commit 5308408
Let me know if you still have issue after updating (you'll need to be using the github package though, as the one in pkgs is updated only for new versions)
.