Code: Select all
\begin{figure*}
\centering\includegraphics[width=\textwidth,height=4cm]{example-image}
\caption{Problem Figure}
\label{ProblemFigure}
\end{figure*}
If there is no error, your image might be too big (in the example it gets pushed to page 4 because it didn't really fit on page three. Try to split the image. As far as i can tell, this are two different but related data sets.