This is pdfTeX, Version 3.14159265-2.6-1.40.15 (TeX Live 2015/dev/Debian) (preloaded format=pdflatex 2018.11.28) 10 AUG 2019 00:15 entering extended mode restricted \write18 enabled. %&-line parsing enabled. **/home/layoutdev/Desktop/code/documentation_general/IT_Articles/2019/Formattin g_Latex/resources/erdc/sample.tex (/home/layoutdev/Desktop/code/documentation_general/IT_Articles/2019/Formatting _Latex/resources/erdc/sample.tex LaTeX2e <2014/05/01> Babel <3.9l> and hyphenation patterns for 2 languages loaded. ! LaTeX Error: File `erdc.cls' not found. Type X to quit or to proceed, or enter new name. (Default extension: cls) Enter file name: ! Emergency stop. l.2 \usepackage {lipsum,url}^^M End of file on the terminal! Here is how much of TeX's memory you used: 11 strings out of 495020 480 string characters out of 6181323 45973 words of memory out of 5000000 3323 multiletter control sequences out of 15000+600000 3640 words of font info for 14 fonts, out of 8000000 for 9000 14 hyphenation exceptions out of 8191 10i,0n,7p,150b,8s stack positions out of 5000i,500n,10000p,200000b,80000s ! ==> Fatal error occurred, no output PDF file produced!