From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: Bug: Can't not export source block [9.0.1 (9.0.1-elpa @
 /Users/user/.emacs.d/elpa/org-20161118/)]
Date: Sun, 11 Dec 2016 22:34:09 +0100
Message-ID: <87fulub166.fsf@nicolasgoaziou.fr>
References: <CAMWOVxkLAkYvEUpRzMEwrd3h0oD83Gzim0+MSZaXyiZYQbx+2Q@mail.gmail.com>
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	(Jiajian Huang's message of "Sun, 11 Dec 2016 11:48:10 +0800")
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To: Jiajian Huang <ispinfx@gmail.com>
Cc: emacs-orgmode@gnu.org

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