This is pdfTeX, Version 3.14159265-2.6-1.40.21 (MiKTeX 2.9.7400 64-bit) (preloaded format=latex 2020.5.2) 6 MAY 2020 18:53 entering extended mode **OBL Integrales-autopp \let \APPmakepictures \empty \input COURS OBL Integral es.tex ! Emergency stop. <*> OBL Integrales-autopp \let \APPmakepictures \empty \input COURS OBL Int... *** (job aborted, file error in nonstop mode) Here is how much of TeX's memory you used: 2 strings out of 480931 13 string characters out of 2898381 239226 words of memory out of 3000000 15979 multiletter control sequences out of 15000+200000 532338 words of font info for 24 fonts, out of 3000000 for 9000 1141 hyphenation exceptions out of 8191 0i,0n,0p,1b,6s stack positions out of 5000i,500n,10000p,200000b,50000s No pages of output.