This is XeTeX, Version 3.14159265-2.6-0.99991 (TeX Live 2014/W32TeX) (preloaded format=xelatex 2017.6.26)  6 DEC 2017 00:47
entering extended mode
 \write18 enabled.
 %&-line parsing enabled.
**chapter1.tex
(./chapter1.tex
LaTeX2e <2014/05/01>
Babel <3.9l> and hyphenation patterns for 79 languages loaded.
! Undefined control sequence.
l.3  \فصل
            {مقدمه}
? 
! Emergency stop.
l.3  \فصل
            {مقدمه}
End of file on the terminal!

 
Here is how much of TeX's memory you used:
 4 strings out of 493724
 46 string characters out of 6149051
 53043 words of memory out of 5000000
 3432 multiletter control sequences out of 15000+600000
 3640 words of font info for 14 fonts, out of 8000000 for 9000
 1328 hyphenation exceptions out of 8191
 5i,0n,1p,42b,8s stack positions out of 5000i,500n,10000p,200000b,80000s
No pages of output.
