\jurabibsetup{
	authorformat=year,
	commabeforerest,
	ibidem=strict,
	citefull=first,
	see,
	titleformat={colonsep,all},
}

\AddTo\bibsgerman{%
	\renewcommand*{\ibidemname}{Ibidem}
	\renewcommand*{\ibidemmidname}{ibidem}
}

\renewcommand*{\jbauthorfont}{\textsc}
\renewcommand*{\biblnfont}{\scshape\textbf}
\renewcommand*{\bibfnfont}{\normalfont\textbf}



Error message:

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.
.
LaTeX Font Info:    Checking defaults for PD1/pdf/m/n on input line 31.
LaTeX Font Info:    ... okay on input line 31.
 (/usr/share/texmf-texlive/tex/latex/jurabib/enjbbib.ldf
File: enjbbib.ldf jurabib English language definitions
)
! Undefined control sequence.
<argument> \bibsgerman 
                       
l.31 \begin{document}
.
.
.