Remember to cover the basics, that is, what you expected to happen and

what in fact did happen. You don't know how to make a good report? See

https://orgmode.org/manual/Feedback.html#Feedback

Your bug report will be posted to the Org mailing list.

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Just got this error message while editing an *.org file

Emacs : GNU Emacs 27.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 
3.24.27, cairo version 1.17.4)

of 2021-03-26

Package: Org mode version 9.6 (9.6-??-27edae8ce @ 
/home/antoine/.emacs.d/.local/straight/build-27.2/org/)