Tinytex: Failure to Compile Remote Repository is Newer Than Local

[kw-fn]

/usr/lib/rstudio/bin/pandoc/pandoc +RTS -K512m -RTS Simulation_Assisted_Machine_Learning.utf8.md --to latex --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash --output Simulation_Assisted_Machine_Learning.tex --template /home/oliver/R/x86_64-pc-linux-gnu-library/3.6/pinp/rmarkdown/templates/pdf/resources/template.tex --highlight-style tango --latex-engine pdflatex --natbib
tlmgr search --file --global '/flushend.sty'

tlmgr: Remote repository is newer than local (2018 < 2019)
Cross release updates are only supported with
update-tlmgr-latest(.sh/.exe) --update
Please see https://tug.org/texlive/upgrade.html for details.
Error: Failed to compile Simulation_Assisted_Machine_Learning.tex. See https://yihui.name/tinytex/r/#debugging for debugging tips.
In addition: Warning message:
In system2("tlmgr", args, ...) :
running command ''tlmgr' search --file --global '/flushend.sty'' had status 1
Execution halted

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[yihui]

Please search for "Remote repository newer than local" in the documentation: https://yihui.name/tinytex/