Cecil Westerhof <cldwesterhof@gmail.com> writes:

> ​I​
>  
> ​just downloaded again from:
>     http://orgmode.org/
>
> But get the same error as before.

As the website says, the tarballs that you download from
http://orgmode.org are built from the latest stable version,
which is currently 8.2.6.

Achim fixed this for the next stable version, which is not
released.