For the below file, if I place the cursor in the right column
and give C-c C-c I get the above error


org 8.2.5e
emacs 24.3.1

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* What about $\Leftrightarrow$ ?
As we know the truth-table for 'iff' also written as $\Leftrightarrow$ is
as follows
#+ATTR_LATEX: :align |c|c|c|
| $P$ | $Q$ | $P \Rightarrow Q$ |$Q \Rightarrow P$   |
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