Latexmk: Missing input file: 'Bilder/GI1.jpg' from line
  'LaTeX Warning: File `Bilder/GI1.jpg' not found on input line 78.'
Collected error summary (may duplicate other messages):
  pdflatex: Command for 'pdflatex' gave return code 256
Latexmk: Use the -f option to force complete processing,
 unless error was exceeding maximum runs of latex/pdflatex.
Latexmk: Errors, so I did not complete making targets

ERROR: Build failed: exit code 1