[O] org mode latex export excude title

I am trying to use org mode to write a paper. The latex template of the journal restricts the location of `\title{}` command to be after the `\begin{document}`. While by leaving `#+TITLE:` empty and specify `#+OPTIONS: title:nil` in my org file, I can remove the `\maketitle` command in the latex e

[O] Capture abort: (user-error Can't preview LaTeX fragment in a non-file buffer)

Hi all, I tried to setup my org-mode according to Bernt Hansen ’s wonderful documentation: http://doc.norang.ca/org-mode.html#Capture