Confirmed, I upgraded to 9.6.1 and it works for me. Thanks!

On Fri, Mar 3, 2023 at 9:03 AM Ihor Radchenko <yantar92@posteo.net> wrote:
Derek Chen-Becker <derek@chen-becker.org> writes:

> Here is the minimal org file to repro:
>
> ========================================
> #+COLUMNS: %ITEM(Task) %Effort(Estimate){est+}
>
> * Table
> #+BEGIN: columnview :id input
>
> #+END
> ...

With point at #+BEGIN, pressing C-c C-c works just fine for me.
Using Org 9.6.

--
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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