![compiling - Package ifluatex Error: Name clash, \ifluatex is already defined - TeX - LaTeX Stack Exchange compiling - Package ifluatex Error: Name clash, \ifluatex is already defined - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/e9EKT.png)
compiling - Package ifluatex Error: Name clash, \ifluatex is already defined - TeX - LaTeX Stack Exchange
LaTeX Errors: Option clash for package color / Environment {css_class} undefined · Issue #1882 · rstudio/rmarkdown · GitHub
![compiling - does not compile and gives LaTeX Error: Option clash for package inputenc - TeX - LaTeX Stack Exchange compiling - does not compile and gives LaTeX Error: Option clash for package inputenc - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/csFrg.png)
compiling - does not compile and gives LaTeX Error: Option clash for package inputenc - TeX - LaTeX Stack Exchange
![compiling - Package ifluatex Error: Name clash, \ifluatex is already defined - TeX - LaTeX Stack Exchange compiling - Package ifluatex Error: Name clash, \ifluatex is already defined - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/1SOtB.png)