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My OS is ubuntu 22.04 LTS, emacs is in /usr/local/texlive/emacs-28.1, texline in /usr/local/texlive and auctex in .emacs.d/elpa. Whenever I open a file in the emacs-buffer, it shows -- in a buffer *Backtrace* below the buffer where I opened the file -- the messages below, but after entering ESC threee times the file is opened and I can use it as normal. For this session I can close the file in question and open it again as often as i want.

Sample file ist

What do the errors mean and how can I get rid of them?

emacs errors

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    Is your file under version control? The error is provoked by emacs trying to fire git but not finding it.
    – Fran Burstall
    Commented Aug 30, 2022 at 16:02
  • IOW, do apt-get install git and see if that make the error go away.
    – NickD
    Commented Aug 30, 2022 at 16:23
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    Also, please avoid screen shots unless they are absolutely necessary to show the problem. In this case, it is much better to cut and paste the backtrace into your question literally, by surrounding it with triple backquotes: ```
    – NickD
    Commented Aug 31, 2022 at 0:59

2 Answers 2

Reset to default
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What you're seeing is a backtrace, showing you the function calling chain -- most recent at the top -- that led to the (single) error that caused the debugger to be invoked. This helps you isolate the source of the error. You can click on the name of any function to see its code. See the manual: (info "(elisp) Debugger") for lots of detail.

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  • Also, the backtrace will only occur if C-h v debug-on-error is enabled. By default it is not. You can M-x toggle-debug-on-error but, as this is all new to you, something in your config may be enabling it. If so, you may need to look for that and prevent it from happening.
    – phils
    Commented Aug 31, 2022 at 7:08
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Solution 1,

;; open files faster but you can't check if file is version
;; controlled. other VCS functionality still works.
(remove-hook 'find-file-hook 'vc-find-file-hook)

Solution 2, Run apt install git in terminal. So package vc can find git when your project is version controlled by git (you can find a directory .git in project root)

I recommend "Solution 1".

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