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. ------------------------------------------------------------------------ Warning (org-element-cache): org-element--cache: Unregistered buffer modifications detected (126308 != 126242). Resetting. If this warning appears regularly, please report the warning text to Org mode mailing list (M-x org-submit-bug-report). The buffer is: data-intro.org Current command: nil Backtrace: " backtrace-to-string(nil) org-element--cache-sync(#) apply(org-element--cache-sync #) timer-event-handler([t 0 0 311452 nil org-element--cache-sync (#) idle 999999 nil]) " Emacs : GNU Emacs 29.0.90 (build 1, aarch64-apple-darwin22.4.0, NS appkit-2299.50 Version 13.3.1 (a) (Build 22E772610a)) of 2023-05-12 Package: Org mode version 9.6.5 (release_9.6.5-3-g2993f4 @ /opt/homebrew/Cellar/emacs-plus@29/29.0.90/share/emacs/29.0.90/lisp/org/)