These two lines:
\documentclass[aps,prl,two column]{revtex4}%
\begin{document}
Produce the following error:
! Extra \endgroup.
\document ->\endgroup
\init@documenthook \set@typesize@hook \normalsize \set...
l.2 \begin{document}
?
Best Answer
Use
\documentclass[aps,prl,two column]{revtex4-2}
instead of\documentclass[aps,prl,two column]{revtex4}
.