Hi, thanks for your replay. Using the debug function I obtain:

Debugger entered--Lisp error: (wrong-type-argument integer-or-marker-p nil)
  buffer-substring-no-properties(nil nil)
  noweb-tangle-chunk(#<buffer Tangle Buffer>)
  ess-eval-chunk(nil)
  call-interactively(ess-eval-chunk nil nil)

Sent the full traceback:

From: cism <cism@maxquant.i-did-not-set--mail-host-address--so-tickle-me>
To: ess-bugs@r-project.org
Subject: ess-mode 5.14; Definition new key binding in Noweb mode.


Thanks
Riccardo

2012/3/15 Vitalie Spinu <spinuvit@gmail.com>

> >>>> Riccardo Romoli <ric.romoli@gmail.com>
> >>>> on Thu, 15 Mar 2012 12:01:58 +0100 wrote:
>
>  > Today when I restarted my computer, emacs minibuffer says:
>  > noweb-tangle-chunk: Wrong type argument: integer-or-marker-p, nil
>
> Unless you have small kids who played with your emacs config over night,
> I don't see how this could have happened.
>
>  > Have you any idea about this kind of error??
>
> This type of error can occur in 1000+ places. Do M-x
> toggle-debug-on-error, try you stuff. And send the full traceback. Plus
> some info about your install (M-x ess-submit-bug-report).
>
> Vitalie.
>

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