이전 texlive에서는 다음처럼 작성한 문서를 pdflatex으로 컴파일하면 아무런 문제없이 잘 되었습니다.

\documentclass{memoir}

\usepackage{memhangul-ucs}

\begin{document}

안녕하세요.

\end{document}

그런데 texlive 2013으로 업그레이드하니 다음과 같은 오류가 발생합니다. 무슨 이유일까요?

This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013)

 restricted \write18 enabled.

entering extended mode

(./memhangul-test.tex

LaTeX2e <2011/06/27>

Babel <3.9f> and hyphenation patterns for 21 languages loaded.

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/memoir/memoir.cls

Document Class: memoir 2013/05/30 v3.7b configurable book, report, article docu

ment class

(/usr/local/texlive/2013basic/texmf-dist/tex/generic/oberdiek/ifpdf.sty)

(/usr/local/texlive/2013basic/texmf-dist/tex/generic/ifxetex/ifxetex.sty)

(/usr/local/texlive/2013basic/texmf-dist/tex/generic/oberdiek/ifluatex.sty)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/etex-pkg/etex.sty)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/memoir/mem10.clo)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/memoir/mempatch.sty))

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/kotex-dev/oblivoir/memhangul

-ucs/memhangul-ucs.sty

memhangul-ucs v1.7.4 2013/09/27

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/kotex/utf/dhucs.sty

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/kotex/utf/kotexutf.sty

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/base/inputenc.sty

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/base/utf8.def

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/base/t1enc.dfu)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/base/ot1enc.dfu)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/base/omsenc.dfu)))

(/usr/local/texlive/2013basic/texmf-dist/tex/plain/kotex/kotexutf-core.tex)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/kotex/utf/lucenc.dfu)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/kotex/utf/kolabels-utf.tex))

)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/kotex-dev/oblivoir/memhangul

-ucs/memucs-interword.sty)

(/usr/local/texlive/2013basic/texmf-dist/tex/latex/kotex-dev/oblivoir/memhangul

-ucs/memucs-setspace.sty

Package: `memucs-setspace', a modified version of `setspace', 6.7-memucs8 <2007

/09/21>

)

! Undefined control sequence.

l.1097 \if@unfonts

                  

?