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
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Cannot convert 'motion/images/kinematics-math-07.png' to pdf
Cannot convert 'motion/rv-6sl/rv-6sl-001.jpg' to pdf
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Cannot convert 'motion/rv-6sl/rv-6sl-004.jpg' to pdf
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Cannot convert 'motion/rv-6sl/rv-6sl-011.jpg' to pdf
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Cannot convert 'motion/rv-6sl/rv-6sl-016.jpg' to pdf
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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
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Cannot convert 'motion/5-axis-figures/equation__4.png' to pdf
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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
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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#