This is pdfTeX, Version 3.141592653-2.6-1.40.22 (TeX Live 2021/Arch Linux) (preloaded format=pdflatex 2021.11.27) 19 DEC 2021 21:02 entering extended mode restricted \write18 enabled. file:line:error style messages enabled. %&-line parsing enabled. **/home/iakmastro/Projects/xelatex-thesis/assignments/docs/main.tex (/home/iakmastro/Projects/xelatex-thesis/assignments/docs/main.tex LaTeX2e <2020-10-01> patch level 4 L3 programming layer <2021-02-18> ! LaTeX Error: File `Assignments.cls' not found. Type X to quit or to proceed, or enter new name. (Default extension: cls) Enter file name: /home/iakmastro/Projects/xelatex-thesis/assignments/docs/main.tex:9: Emergency stop. l.9 ^^M *** (cannot \read from terminal in nonstop modes) Here is how much of TeX's memory you used: 22 strings out of 478994 675 string characters out of 5864750 283044 words of memory out of 5000000 17605 multiletter control sequences out of 15000+600000 403430 words of font info for 27 fonts, out of 8000000 for 9000 1141 hyphenation exceptions out of 8191 32i,0n,39p,253b,13s stack positions out of 5000i,500n,10000p,200000b,80000s /home/iakmastro/Projects/xelatex-thesis/assignments/docs/main.tex:9: ==> Fatal error occurred, no output PDF file produced!