fix compilation errors

paper.tex

@@ -19,6 +19,7 @@
 
 \title{Rendering Portals in Virtual Reality}
 \author{Milan van Zanten\\\normalsize{University of Basel}\\\normalsize{milan.vanzanten@unibas.ch}}
+\date{December 21, 2022}
 \myabstract{
 	\begin{center}
 		\textbf{Abstract}
@@ -123,7 +124,6 @@ We measured the rendering performance of this test scene four times, each time w
 	\textbf{Portals} & \textbf{0} & \textbf{2} & \textbf{4} & \textbf{6}
 	\csvreader{assets/measurements.csv}{}
 	{\\\hline\csvcoli&\csvcolii&\csvcoliii&\csvcoliv&\csvcolv}
-	\caption{}
 	\label{tab:measurements}
 \end{tabular}
 \vspace{5mm}