Some information:
The codes in the picture are:
This is pdfTeX, Version 3.141592653-2.6-1.40.24 (MiKTeX 22.10) (preloaded format=pdflatex.fmt) restricted \write18 enabled. entering extended mode (C:/Users/HP/AppData/Local/Temp/swp0000.tex LaTeX2e <2022-06-01> patch level 5 L3 programming layer <2022-09-28> (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/base\article.cls Document Class: article 2021/10/04 v1.4n Standard LaTeX document class (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/base\size10.clo)) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsmath.sty For additional information on amsmath, use the `?' option. (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amstext.sty (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsgen.sty)) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsbsy.sty) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/amsmath\amsopn.sty)) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/amsfonts\amsfonts.sty) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/amsfonts\amssymb.sty) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/graphics\graphicx.sty (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/graphics\keyval.sty) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/graphics\graphics.sty (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/graphics\trig.sty) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/graphics-cfg\graphics.cfg) (C:\Users\HP\AppData\Local\Programs\MiKTeX\tex/latex/graphics-def\pdftex.def))) ! LaTeX Error: File `tcislid2.tex' not found. Type X to quit or <RETURN> to proceed, or enter new name. (Default extension: tex) Enter file name:
I can find tcislid2.tex in D:\swp55\TCITeX\TeX\LaTeX\SWmacros on my computer.
I tried to compile this file with WinEdt but it returned the same LaTeX Error: File "`tcislid2." tex' not found.