1

Creating a short paper in APA format, I loaded apa6 package and after compiling the first draft wuth Lorem Ipsum I realized that it did not use double spacing. The manual seems to state that man argument would force double spacing. But it only threw an error. Removed lipsum just to be sure, still the same thing:

\documentclass[12pt,letterpaper,man]{apa6}

\begin{document}
abc
\end{document}

The error I am getting:

! Undefined control sequence.
<argument> \@shorttitle 

l.5 \end{document}

Weirdly enough, the result renders, but I do get an error. Very confusing.

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  • 2
    I've edited here to include the exact message: you seem to need a short title!
    – Joseph Wright
    Nov 3 '16 at 14:08
  • Apparently you ran it on command line, and I was running in TexStudio, which was throwing a misleading error message. APA6 manual, page 3 etc did not seem to state that the short title was mandatory, but it is in man mode where it wants to build a page header from it.
    – ajeh
    Nov 3 '16 at 14:22
1

You should include \shorttitle{} empty, even if you don't wanna use it. I was having the same trouble with the apa7 style package. This little workaround fixed it.

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