bug report - undefined control sequence

Hello,

I've found an error and was wondering how to fix it.

I'm running into this error while running a .sh script. Could you please
help?

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Package hyperref Message: Driver: hpdftex.


(/usr/local/texlive/2015/texmf-dist/tex/latex/hyperref/hpdftex.def)

(/usr/local/texlive/2015/texmf-dist/tex/latex/hyperref/puenc.def)
(./refman.aux

) (/usr/local/texlive/2015/texmf-dist/tex/latex/base/ts1cmr.fd)

(/usr/local/texlive/2015/texmf-dist/tex/latex/psnfss/t1phv.fd)

(/usr/local/texlive/2015/texmf-dist/tex/context/base/supp-pdf.mkii

[Loading MPS to PDF converter (version 2006.09.02).]

) (/usr/local/texlive/2015/texmf-dist/tex/latex/oberdiek/epstopdf-base.sty

(/usr/local/texlive/2015/texmf-dist/tex/latex/oberdiek/grfext.sty)

(/usr/local/texlive/2015/texmf-dist/tex/latex/latexconfig/epstopdf-sys.cfg))

*geometry* driver: auto-detecting

*geometry* detected driver: pdftex

(/usr/local/texlive/2015/texmf-dist/tex/latex/hyperref/nameref.sty

(/usr/local/texlive/2015/texmf-dist/tex/generic/oberdiek/gettitlestring.sty))

(./refman.out) (./refman.out)

<../../../source/image/logo_nexeditor.png, id=4, 545.03625pt x 254.9525pt>

<use ../../../source/image/logo_nexeditor.png>

<../../../source/image/logo_nexstreaming.png, id=6, 699.61375pt x 92.345pt>

<use ../../../source/image/logo_nexstreaming.png>
[1{/usr/local/texlive/2015/te

xmf-var/fonts/map/pdftex/updmap/pdftex.map}
<../../../source/image/logo_nexedit

or.png> <../../../source/image/logo_nexstreaming.png>] (./refman.toc) [1]

Chapter 1.

! Undefined control sequence.

<argument> ...tect \numberline {\thechapter }Nex\+

                                                  Editor\texttrademark
{}S\+...

l.150 ...+Editor\texttrademark{}S\+DK for Android}



? ^D

! Emergency stop.

<argument> ...tect \numberline {\thechapter }Nex\+

                                                  Editor\texttrademark
{}S\+...

l.150 ...+Editor\texttrademark{}S\+DK for Android}



!  ==> Fatal error occurred, no output PDF file produced!
-----------

Thank you,

Alice Sorim Lee 이소림 드림