I would like to update some bibliography modifications I got with an older LaTeX template. I do know that there where some changes with BibLaTeX 3.3, but I seem to be missing something since latex still tells me "Illegal parameter number in definition of \blx@defformat@d.". Maybe one of you can point me in the direction what has changed besides what's already mentioned in another thread.
\DeclareFieldFormat[inreference]{title}{\bibstring{inrefstring}\addspace#1}
\renewcommand*{\newunitpunct}{\addcomma\space} %Comma instead of Point
\DeclareFieldFormat[article]{title}{{#1}} %keine Anführungszeichen mehr
\DeclareNameFormat{sortname}{
{\usebibmacro{name:given-family}{#1}{#3}{#5}{#7}}}
\AtBeginBibliography{%Bold Authors in Literature
\renewcommand*\mkbibnamegiven[1]{\bfseries{#1}}
\renewcommand*\mkbibnamefamily[1]{\bfseries{#1}}
\renewcommand*\mkbibnameprefix[1]{\bfseries{#1}}
\renewcommand*\mkbibnameaffix[1]{\bfseries{#1}}
\DeclareFieldFormat{year}{\bfseries{#1}}
\DeclareFieldFormat{labelyear}{\bfseries{\mkbibemph{\mknumalph{#1}}}}
}