error while try to build deb package

Cannot convert 'hal/images/halscope-09.png' to pdf Cannot convert 'hal/images/halscope-10.png' to pdf Cannot convert 'hal/images/halscope-11.png' to pdf Cannot convert 'hal/images/hal-meter01.png' to pdf Cannot convert 'hal/images/hal-meter02.png' to pdf Cannot convert 'hal/images/sim_pin.png' to pdf Cannot convert 'hal/images/simulate_probe.png' to pdf Cannot convert 'hal/images/hal-histogram.png' to pdf Cannot convert 'hal/images/halshow-1.png' to pdf Cannot convert 'hal/images/halshow-3.png' to pdf Cannot convert 'hal/images/halshow-2.png' to pdf Cannot convert 'hal/images/halshow-4.png' to pdf Cannot convert 'hal/images/stepgen-block-diag.png' to pdf Cannot convert 'hal/images/stepgen-type0.png' to pdf Cannot convert 'hal/images/stepgen-type2-4.png' to pdf Cannot convert 'hal/images/stepgen-type5-10.png' to pdf Cannot convert 'hal/images/stepgen-type11-14.png' to pdf Cannot convert 'hal/images/encoder-block-diag.png' to pdf Cannot convert 'hal/images/pid-block-diag.png' to pdf Cannot convert 'hal/images/velocity-01.png' to pdf Cannot convert 'hal/images/softstart-scope.png' to pdf Cannot convert 'motion/images/bipod.png' to pdf Cannot convert 'motion/images/kinematics-math-01.png' to pdf Cannot convert 'motion/images/kinematics-math-02.png' to pdf Cannot convert 'motion/images/kinematics-math-03.png' to pdf Cannot convert 'motion/images/kinematics-math-04.png' to pdf Cannot convert 'motion/images/kinematics-math-05.png' to pdf Cannot convert 'motion/images/kinematics-math-06.png' to pdf Cannot convert 'motion/images/kinematics-math-07.png' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-001.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-002.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-003.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-004.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-005.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-006.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-007.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-008.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-009.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-010.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-011.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-012.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-013.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-014.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-015.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-016.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-017.jpg' to pdf Cannot convert 'motion/rv-6sl/rv-6sl-018.jpg' to pdf Cannot convert 'motion/5-axis-figures/equation__1.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-1.png' to pdf Cannot convert 'motion/5-axis-figures/equation__2.png' to pdf Cannot convert 'motion/5-axis-figures/equation__3.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-2.png' to pdf Cannot convert 'motion/5-axis-figures/equation__4.png' to pdf Cannot convert 'motion/5-axis-figures/equation__5.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-3.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-4.png' to pdf Cannot convert 'motion/5-axis-figures/equation__6.png' to pdf Cannot convert 'motion/5-axis-figures/equation__7.png' to pdf Cannot convert 'motion/5-axis-figures/equation__8.png' to pdf Cannot convert 'motion/5-axis-figures/equation__9.png' to pdf Cannot convert 'motion/5-axis-figures/equation__10.png' to pdf Cannot convert 'motion/5-axis-figures/equation__11.png' to pdf Cannot convert 'motion/5-axis-figures/equation__12.png' to pdf Cannot convert 'motion/5-axis-figures/equation__13.png' to pdf Cannot convert 'motion/5-axis-figures/equation__14.png' to pdf Cannot convert 'motion/5-axis-figures/equation__15.png' to pdf Cannot convert 'motion/5-axis-figures/equation__16.png' to pdf Cannot convert 'motion/5-axis-figures/equation__17.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-5.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-6.png' to pdf Cannot convert 'motion/5-axis-figures/equation__18.png' to pdf Cannot convert 'motion/5-axis-figures/equation__19.png' to pdf Cannot convert 'motion/5-axis-figures/equation__20.png' to pdf Cannot convert 'motion/5-axis-figures/equation__21.png' to pdf Cannot convert 'motion/5-axis-figures/equation__22.png' to pdf Cannot convert 'motion/5-axis-figures/equation__23.png' to pdf Cannot convert 'motion/5-axis-figures/equation__24.png' to pdf Cannot convert 'motion/5-axis-figures/equation__25.png' to pdf Cannot convert 'motion/5-axis-figures/equation__26.png' to pdf Cannot convert 'moa2x: ERROR: "dblatex" -t pdf -p "/etc/asciidoc/dblatex/asciidoc-dblatex.xsl" -s "/etc/asciidoc/dblatex/asciidoc-dblatex.sty" -P doc.publisher.show=0 -P latex.output.revhistory=0 -s ../docs/src/emc2.sty -P latex.hyperparam=colorlinks,linkcolor=blue,filecolor=blue,urlcolor=blue,citecolor=blue -V "/home/tal/emc/docs/src/Master_Documentation.xml" returned non-zero exit status 1 tion/5-axis-figures/equation__27.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-7.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-8.png' to pdf Cannot convert 'motion/5-axis-figures/equation__28.png' to pdf Cannot convert 'motion/5-axis-figures/equation__29.png' to pdf Cannot convert 'motion/5-axis-figures/equation__30.png' to pdf Cannot convert 'motion/5-axis-figures/equation__31.png' to pdf Cannot convert 'motion/5-axis-figures/equation__32.png' to pdf Cannot convert 'motion/5-axis-figures/equation__33.png' to pdf Cannot convert 'motion/5-axis-figures/equation__34.png' to pdf Cannot convert 'motion/5-axis-figures/equation__35.png' to pdf Cannot convert 'motion/5-axis-figures/equation__36.png' to pdf Cannot convert 'motion/5-axis-figures/equation__37.png' to pdf Cannot convert 'motion/5-axis-figures/equation__38.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-9.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-10.png' to pdf Cannot convert 'motion/5-axis-figures/Figure-11.png' to pdf Build Master_Documentation.pdf built-in module pdftex registered no support found for ifthen no support found for ifxetex no support found for fontspec no support found for xltxtra no support found for fontenc no support found for inputenc no support found for fancybox built-in module makeidx registered no support found for emc2 building additional files... checking if compiling is necessary... the output file doesn't exist pdflatex -interaction=batchmode Master_Documentation.tex pdflatex failed A possible reason for transformation failure is invalid DocBook (as reported by xmllint) Error: pdflatex compilation failed make[1]: *** [../docs/src/Submakefile:446: ../docs/src/Master_Documentation.pdf] Error 1 make[1]: Leaving directory '/home/tal/emc/src' make: *** [debian/rules:36: build-stamp] Error 2 dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2 debuild: fatal error at line 1182: dpkg-buildpackage -us -uc -ui failed root@debian:/home/tal/emc#