This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019/Debian) (preloaded format=pdflatex 2020.9.10)  20 SEP 2020 23:10
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Here is how much of TeX's memory you used:
 3 strings out of 480994
 106 string characters out of 5914631
 237785 words of memory out of 5000000
 15618 multiletter control sequences out of 15000+600000
 532338 words of font info for 24 fonts, out of 8000000 for 9000
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 0i,0n,0p,7b,6s stack positions out of 5000i,500n,10000p,200000b,80000s
!  ==> Fatal error occurred, no output PDF file produced!