This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015/Debian) (preloaded format=pdflatex 2016.5.31) 4 JUL 2016 20:47 entering extended mode restricted \write18 enabled. %&-line parsing enabled. **main.tex ! Emergency stop. <*> main.tex End of file on the terminal! Here is how much of TeX's memory you used: 3 strings out of 494924 106 string characters out of 6179708 45807 words of memory out of 5000000 3399 multiletter control sequences out of 15000+600000 3640 words of font info for 14 fonts, out of 8000000 for 9000 14 hyphenation exceptions out of 8191 0i,0n,0p,1b,6s stack positions out of 5000i,500n,10000p,200000b,80000s ! ==> Fatal error occurred, no output PDF file produced!