This is pTeXk, Version 3.1415926-p3.1.11 (sjis) (Web2C 2010) (format=platex 2010.7.21) 27 DEC 2010 18:04 restricted \write18 enabled. %&-line parsing enabled. **abstract.tex (./abstract.tex pLaTeX2e <2006/11/10>+0 (based on LaTeX2e <2009/09/24> patch level 0) Babel and hyphenation patterns for english, usenglishmax, ukenglish, ba sque, bulgarian, coptic, welsh, czech, slovak, german, ngerman, danish, esperan to, spanish, catalan, galician, estonian, farsi, finnish, french, irish, greek, monogreek, ancientgreek, croatian, hungarian, interlingua, ibycus, bahasa, ice landic, italian, latin, mongolian, dutch, norsk, polish, portuguese, pinyin, ro manian, russian, slovenian, samin, uppersorbian, serbian, swedish, turkish, ukr ainian, dumylang, nohyphenation, loaded. ! LaTeX Error: Environment abstract undefined. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.1 \begin{abstract} ? ! Emergency stop. ... l.1 \begin{abstract} Your command was ignored. Type I to replace it with another command, or to continue without it. Here is how much of TeX's memory you used: 6 strings out of 494457 193 string characters out of 3173175 50488 words of memory out of 1500000 3457 multiletter control sequences out of 15000+200000 7511 words of font info for 31 fonts, out of 3000000 for 9000 678 hyphenation exceptions out of 8191 5i,0n,4p,40b,17s stack positions out of 3000i,500n,5000p,500000b,5000s No pages of output.