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ERROR - Cannot find control file "xy.bcf"! - did you pass the "backend=biber" option to BibLaTeX?

\documentclass{article}
\usepackage[style=authoryear,backend=biber]{biblatex}
\addbibresource{biblatex-examples.bib}
\begin{document}
Zitiere Onlinequelle: \cite{ctan,markey}\par
Zitiere Buch: \parencite{companion}\par
Zitiere Artikel: \cite{springer}
\printbibliography[heading=bibintoc]
\end{document}

\documentclass{article} 
\usepackage[ngerman]{babel} 
\usepackage{csquotes} 

%Einstellungen fürs Literaturverzeichnis
\usepackage[citestyle=authoryear-comp,bibstyle=authortitle,sorting=nyt,dashed=false,url=false,isbn=false,maxcitenames=1,firstinits= true,backend=bibtex]{biblatex} 
%\usepackage[citestyle=authoryear-comp,bibstyle=authortitle,sorting=anyt,dashed=false,url=false,isbn=false,maxcitenames=1,firstinits= true,backend=bibtex]{biblatex} 

\renewcommand*{\mkbibnamelast}[1]{\textsc{#1}} 

% Namensortierung: esrt Nachname, dann Vorname 
\DeclareNameAlias{sortname}{last-first} 

% Zitat im Text mit eckiger Klammer 
\DeclareCiteCommand{\mycite}[\mkbibbrackets] 
   {\usebibmacro{cite:init}% 
    \usebibmacro{prenote}} 
   {\usebibmacro{citeindex}% 
    \usebibmacro{cite}} 
   {} 
   {\usebibmacro{postnote}} 

% Anführungszeichen weg für bestimmte Typen
%\DeclareFieldFormat 
%   [article,inbook,incollection,inproceedings,patent,thesis,unpublished] 
%   {title}{#1\isdot}
%Anführungszeichen weg für alle
\DeclareFieldFormat*{title}{#1\isdot}

\newcounter{mymaxcitenames} 
\AtBeginDocument{% 
   \setcounter{mymaxcitenames}{\value{maxnames}}% 
} 


\renewbibmacro*{begentry}{% 
    \printtext[brackets]{% 
      \begingroup 
      \defcounter{maxnames}{\value{mymaxcitenames}}% 
      \iffieldundef{shorthand} 
        {\ifthenelse{\ifnameundef{labelname}\OR\iffieldundef{labelyear}} 
          {\usebibmacro{cite:label}% 
           \setunit{\addspace}} 
          {\printnames{labelname}% 
           \setunit{\nameyeardelim}}% 
         \usebibmacro{cite:labelyear+extrayear}} 
        {\usebibmacro{cite:shorthand}}% 
      \endgroup 
      }% 
    \newline 
}



\renewbibmacro*{name:andothers}{% 
   \ifboolexpr{ 
     test {\ifnumequal{\value{listcount}}{\value{liststop}}} 
     and 
     test \ifmorenames 
   } 
     {\ifnumgreater{\value{liststop}}{1} 
        {\finalandcomma} 
        {}% 
      \andothersdelim\bibstring[\textsc]{andothers}} 
     {}} 

\renewcommand*{\finalnamedelim}{% 
   \ifnumgreater{\value{liststop}}{2}{\finalandcomma}{}% 
   \addspace\bibstring[\textsc]{and}\space} 

\renewcommand*{\labelnamepunct}{\addcolon\space} 


%%%%%%%%%%%%%%%TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\renewbibmacro*{journal+issuetitle}{% 
  \usebibmacro{journal}% 
   \setunit*{\addcomma\space}% 
   \iffieldundef{series} 
     {} 
    {\newunit 
      \printfield{series}% 
      \setunit{\addcomma\space}}% 
   \printfield{volume}% 
   \setunit*{\addcomma\space}% 
   \printfield{number}% 
   \setunit{\addcomma\space}% 
   \printfield{issue}% 
   \setunit{\addcomma\space}% 
   \usebibmacro{date}% 
   \newunit} 

\DeclareFieldFormat[article]{volume}{\bibstring{jourvol}~#1} 

\DeclareFieldFormat[article]{number}{\bibstring{number}~#1} 
\DeclareFieldFormat[article]{issue}{\bibstring{issue}~#1} 

%%%%%%%%%%%%%%%TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\renewbibmacro*{volume+number+issue}{%
%  \printfield{volume}%
%  \setunit{\addcomma\space}%<---- was \setunit*{\adddot}%
% \printfield{number}%
%  \setunit{\addcomma\space}%
%  \printfield{issue}}

%%%%%%%%%%%%%%%TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%



%%%%%%%%%%%%%%%%%%%NORM
%\DeclareBibliographyAlias{norm}{standard}

\DeclareBibliographyDriver{standard}{%
      \usebibmacro{bibindex}%
      \usebibmacro{begentry}%
      \printfield{type}\setunit{\addspace}\newblock\printfield{number}%
			\setunit{\addspace}
			\printfield{year}% 
			\newunit\newblock
      \usebibmacro{title}% 
			\usebibmacro{finentry}}

\DeclareFieldFormat[standard]{title}{\mkbibemph{#1}} 



%%%%%%%%%%%%%%%%%%%%

\DeclareBibliographyDriver{phdthesis}{%
  \usebibmacro{author}%
  \newunit
  \usebibmacro{title}%
  \newunit
  \usebibmacro{journaltitle}%
\usebibmacro{institution}%
\usebibmacro{year}%
\usebibmacro{type}%

}

%%%%%%%%%%%%%%%%%%%%


\addbibresource{biblatex-examples.bib}

%Abstand zwischen den Einträgen vergrößern
\setlength{\bibitemsep}{12pt}

\makeatletter
\def\blx@maxline{77}
\makeatother


\begin{document} 
Ein bisschen Text \mycite{geer,worman,sigfridsson,aksin}.
 
 
\printbibheading[title={Literaturverzeichnis}]
\printbibliography[nottype=standard, nottype=bmw, heading=none]

\makeatletter
\def\blx@maxline{77}
\makeatother

\end{document}

ERROR Cannot find control file 'XY.bcf'! -did you pass the "backend=biber" Option to BibLaTeX?