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In my emacs, i have set (debug-on-error t) to see the error's stacktrace. It is very helpful but for mundane errors, it becomes annoying... One such error is,

Debugger entered--Lisp error: (error "Command attempted to use minibuffer while in minibuffer")
  read-from-minibuffer("Goto line: " nil nil nil nil ("1"))

Emacs has provided a way to suppress backtrace prints on such errors using the variable, debug-ignored-errors. It takes a list of error codes. Say for the error that the variable has no value - the code is '(void-variable).

Where do i find the error codes for all the other stacktrace messages?

  • For this particular error, if you'd like Emacs not to stop you from using the minibuffer while in minibuffer, you can set enable-recursive-minibuffers to t. – legoscia Apr 23 '15 at 11:27
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debug-ignored-errors can hold signal names (e.g. user-error) but also regular expressions. So try:

(push "\\`Command attempted to use minibuffer while in minibuffer"
      debug-ignored-errors)

But you might also like to report this issue as a bug. This error should probably be changed to a user-error so you don't need to change debug-ignored-errors yourself.

  • but user-error will suppress many errors right? i wanted to suppress only this error, because this error is just a typo mistake, and not an error as such.... – Madhavan Apr 22 '15 at 21:02
  • I'm not suggesting to add user-error to debug-ignored-errors (it's already there by default right now), but to make this particular error use user-error (so that it gets ignored by default). – Stefan Apr 22 '15 at 21:39

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