Thanks, Ihor! I have upgraded Org and will send another bug report if I
have further trouble.

Thanks,

Neil

On Wed, Feb 7, 2024 at 11:28 AM Ihor Radchenko <yantar92@posteo.net> wrote:

> Neil MacLaren <neil.g.maclaren@gmail.com> writes:
>
> > What exactly did I do?
> >
> > I was trying to fix deadlines for repeating tasks in an org buffer by
> hand.
> > I then tried to reload my Org Agenda and it wouldn't load. I tried pkill
> > -SIGUSR2 emacs but didn't understand the error messages. I narrowed the
> > problem down to a specific file but couldn't get past that. Then, I
> reload
> > emacs again (probably the fourth or fifth time I had done so) and got
> this
> > message:
> >
> > ⛔ Warning (org-element-cache): org-element--cache: Org parser error in
> > admin-tasks.org::53243. Resetting.
> >  The error was: (wrong-type-argument integer-or-marker-p nil)
> >  Backtrace:
> > nil
> >  Please report this to Org mode mailing list (M-x org-submit-bug-report).
> >
> > I don't know if I can get you all a backtrace, though, because Emacs and
> > Org Mode are working now.
> >
> > I know this isn't a great bug report, but I hope it helps. System info
> > below.
>
> Thanks for reporting!
> We had known parser errors in Org 9.6.6.
> Some of them have been fixed in the latest stable Org 9.6.18 and some
> other have been fixed on the development version Org 9.7-pre.
>
> If you can, please upgrade Org mode and let us know if you keep seeing
> this or similar warnings.
>
> Handled.
>
> --
> Ihor Radchenko // yantar92,
> Org mode contributor,
> Learn more about Org mode at <https://orgmode.org/>.
> Support Org development at <https://liberapay.com/org-mode>,
> or support my work at <https://liberapay.com/yantar92>
>