Prozess gestartet: bibtex.exe "main"

This is BibTeX, Version 0.99d (MiKTeX 2.9.7050 64-bit)
The top-level auxiliary file: main.aux
A level-1 auxiliary file: Vorlagen/cover.aux
A level-1 auxiliary file: Vorlagen/selbst.aux
A level-1 auxiliary file: Vorlagen/aufgabenstellung.aux
A level-1 auxiliary file: Vorlagen/kurzfassung.aux
A level-1 auxiliary file: Anhang/anhang_teilsystem.aux
A level-1 auxiliary file: Anhang/anhang_gesamtsystem.aux
A level-1 auxiliary file: Anhang/anhang_dominanz.aux
A level-1 auxiliary file: Anhang/anhang_parameter.aux

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I couldn't open style file alphadin.bst
---line 299 of file main.aux
 : bibstyle{alphadin
 :                   }
I'm skipping whatever remains of this command
I found no style file---while reading file main.aux
(There were 2 error messages)

Unfortunately, the package din1505 could not be installed. Please check the log file: C:UsersngorouhiAppDataLocalMiKTeX2.9miktexlogbibtex.log

Prozess endete mit Fehler(n)



Prozess gestartet: pdflatex.exe -synctex=1 -interaction=nonstopmode "main".tex

Prozess endete normal



Prozess gestartet: "C:Program Files (x86)SumatraPDF/SumatraPDF.exe" -reuse-instance "main".pdf

Prozess endete mit Fehler(n)