Call to render() fails but RStudio Knit button produces pdf

[markdly]

I don't have a solution but it looks like this might be related to:

Rmarkdown::render complains pdflatex had status 1 when processing a very simple Rmd file

I have a very simple test.Rmd file: --- title: "test" output: pdf_document --- done. This is what I get after render: rmarkdown::render("test.Rmd") processing file: test.Rmd |.................................................................| 100% ordinary text without R code output file: test.knit.md "C:/PROGRA~2/Pandoc/pandoc" +RTS -K512m -RTS test.utf8.md --to latex --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash --output test.tex --template "C:\Users\username\Documents\R\win-library\3.4\rmarkdown\rmd\latex\default-1.17.0.2.tex" --highlight-style tango --pdf-engine pdflatex --variable graphics=yes --variable "geometry:margin=1in" Error: Failed t…

Note specifically the mention of:

@ml188

Error: Failed to compile test.tex