Knitr wont compile PDF: “Error in tools::file_path_as_absolute(output_file)”

Question

I have created a report in markdown and use the function render() to compile the code into a PDF. It worked fine a month ago, but when I run the code now, it gi

Answer 1

If using MikTex, you probably missing some packages (basic Miktex packages are installed). Just compile your tex file to find out missing packages (compile errors) and install them. Then knit your rmd document and it should work.