Hello,
Jiajian Huang <ispinfx@gmail.com> writes:
> After update to org 9.0, the source code block can't no longer be exported
> and
> org alerts an error.
>
> The minimal config I use is
>
> (package-initialize)
>
> (setq debug-on-error t
> debug-on-signal nil
> debug-on-quit nil)
>
> (require 'org)
>
> where the org is installed by elpa.
>
> The test.org file contains
>
> #+BEGIN_SRC latex :results drawer :exports results
> \begin{eqnarray}
> a + b = c \label{eq1}
> \end{eqnarray}
> #+END_SRC
>
> ONLY. Running C-c C-e l l gives error
>
> Debugger entered--Lisp error: (wrong-type-argument stringp nil)
I cannot reproduce it. I suspected an installation that went wrong. You
could try to remove Org completely and install it again.
Regards,
--
Nicolas Goaziou