This is pdfTeX, Version 3.141592653-2.6-1.40.27 (TeX Live 2025) (preloaded format=pdflatex 2025.3.12)  6 DEC 2025 20:50
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 restricted \write18 enabled.
 file:line:error style messages enabled.
 %&-line parsing enabled.
**fizik.cls
(./fizik.cls
LaTeX2e <2024-11-01> patch level 2
L3 programming layer <2025-01-18>

LaTeX Warning: You have requested file `',
               but the file provides `fizik'.

Package: fizik 1998/04/17 v1.0 TUBITAK - Turkish Journal of Fizik

./fizik.cls:24: LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.24 \newif\if@
               draftcopy
? 
./fizik.cls:24: Emergency stop.
 ...                                              
                                                  
l.24 \newif\if@
               draftcopy
You're in trouble here.  Try typing  <return>  to proceed.
If that doesn't work, type  X <return>  to quit.

 
Here is how much of TeX's memory you used:
 20 strings out of 473190
 491 string characters out of 5715800
 391984 words of memory out of 5000000
 23371 multiletter control sequences out of 15000+600000
 558837 words of font info for 36 fonts, out of 8000000 for 9000
 1141 hyphenation exceptions out of 8191
 15i,0n,18p,84b,14s stack positions out of 10000i,1000n,20000p,200000b,200000s
./fizik.cls:24:  ==> Fatal error occurred, no output PDF file produced!
