This is pdfTeX, Version 3.1415926-2.3-1.40.12 (MiKTeX 2.9 64-bit) (preloaded format=pdflatex 2012.9.14)  4 OCT 2012 14:21
entering extended mode
**S6.tex

("D:\Users\negin.NET\Desktop\Template Laboratory 1\Template Laboratory 1\Templa
te for laboratory report Latex\S6.tex"
LaTeX2e <2011/06/27>
Babel <v3.8m> and hyphenation patterns for english, afrikaans, ancientgreek, ar
abic, armenian, assamese, basque, bengali, bokmal, bulgarian, catalan, coptic, 
croatian, czech, danish, dutch, esperanto, estonian, farsi, finnish, french, ga
lician, german, german-x-2009-06-19, greek, gujarati, hindi, hungarian, iceland
ic, indonesian, interlingua, irish, italian, kannada, kurmanji, lao, latin, lat
vian, lithuanian, malayalam, marathi, mongolian, mongolianlmc, monogreek, ngerm
an, ngerman-x-2009-06-19, nynorsk, oriya, panjabi, pinyin, polish, portuguese, 
romanian, russian, sanskrit, serbian, slovak, slovenian, spanish, swedish, swis
sgerman, tamil, telugu, turkish, turkmen, ukenglish, ukrainian, uppersorbian, u
senglishmax, welsh, loaded.
! Undefined control sequence.
l.2 \section
            {Conclusions}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.


! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.2 \section{C
              onclusions}
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

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)
! Emergency stop.
<*> S6.tex
          
*** (job aborted, no legal \end found)

 
Here is how much of TeX's memory you used:
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!  ==> Fatal error occurred, no output PDF file produced!
