When I compile the code located after the horizontal line, I get the errors below. Also, my bibliography doesn't appear and the citation is printed as the tag name (OMeara2006), as shown in the figure below.
Macro 'name:apa:last-first' undefined.
Macro 'name:apa:first-last' undefined.
Citation 'Robertson2004' on page 3 undefined
Empty bibliography
There were undefined references.
Please (re)run Biber on the file:(biblatex) journSub(biblatex) and rerun LaTeX afterwards.
\documentclass[man]{apa6}
\usepackage[american]{babel}
\usepackage{csquotes}
\usepackage[style=apa,sortcites=true,sorting=nyt,backend=biber]{biblatex}
\DeclareLanguageMapping{american}{american-apa}
\addbibresource{STSBib.bib}
\title{The evaluation of vertical pole configuration and location on assisting the sit- to-stand movement in older adults with mobility limitations}
\shorttitle{Assisted sit-to-stand with vertical poles}
\threeauthors{Daniel Vena}{Alison Novak}{Geoff Fernie}
\threeaffiliations{University of Toronto and Toronto Rehabilitation Institute}{Toronto Rehabilitation Institute}{University of Toronto and Toronto Rehabilitation Institute}
\abstract{}
\begin{document}
\maketitle
\section{Introduction}
Sit-to-stand is hard \parencite{Robertson2004}.
\printbibliography
\end{document}
.
