I just updated emacs to 27.0.50 and I am seeing the exact same error. I think org-preserve-local-variables is in org-macs which is part of org-mode source code.
On Sun, Feb 3, 2019 at 4:14 PM Kyle Meyer <k...@kyleam.com> wrote: > > Hello, > > Abdo Haji-Ali <abdo.haji....@gmail.com> writes: > > > On the latest org-mode version, 9.2, I keep receiving the error > > 'org-copy-subtree: Invalid function: org-preserve-local-variables' > > whenever I try to move a subtree or when I access my agenda. > > > > This happens even if I run emacs with '-Q'. > > > > Emacs : GNU Emacs 25.3.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.22.10) > > This is very likely a problem in your Org installation due to an > interaction with the Org version that comes with Emacs 25. (It lacks > the macro org-preserve-local-variables.) > > See <https://orgmode.org/worg/org-faq.html#mixed-install>. -- Abdo Haji-Ali
