I have been using TexStudio for a long time with no problem in creating pdf files. But now I have to make a presentation with LaTeX and it does not compile. I tried every tutorial that appears when ...
I get "undefined control sequence" error message for several lines: "undefined control sequence" (after "\pagebreak", where I pressed ENTER for an empty line), "undefined control sequence \section", ...
As a new LaTeX user, I have spent some time configuring my system and ironing the usual start-up mistakes. So far, I've been able to compile several documents with indices, graphics, etc. but now I'm ...