pandoc - Beamer on Rstudio with rmarkdown does not even do the example file -


here diagnostic. there no place \begin{document} strange. work on office similar older computer. error 43

detailed error log below output file: testbeamer.knit.md

! latex error: missing \begin{document}.

see latex manual or latex companion explanation. type h immediate help. ...

l.1 c

pandoc.exe: error producing pdf error: pandoc document conversion failed error 43 in addition: warning message: running command '"c:/program files/rstudio/bin/pandoc/pandoc" +rts -k512m -rts testbeamer.utf8.md --to beamer --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash --output testbeamer.pdf --template "c:\users\hd\appdata\local\temp\rtmp82otgv\file245861912878.tex" --highlight-style tango --latex-engine pdflatex' had status 43 execution halted


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