Error(s) in re-building vignettes:
  ...
--- re-building ‘mistr-extensions.Rmd’ using rmarkdown

Attaching package: 'mistr'

The following object is masked from 'package:base':

    q

tlmgr search --file --global '/tikzlibrarytopaths.code.tex'
Cannot determine type of tlpdb from /home/hornik/texmf!
tlmgr: running in usermode, did you call `tlmgr init-usertree'?
Warning in system2("tlmgr", args, ...) :
  running command ‘'tlmgr' search --file --global '/tikzlibrarytopaths.code.tex'’ had status 2
Warning in parse_packages(logfile, quiet = c(TRUE, FALSE, FALSE)) :
  Failed to find a package that contains tikzlibrarytopaths.code.tex
! LaTeX Error: Command \wrapfigure already defined.
               Or name \end... illegal, see p.192 of the manual.

Error: processing vignette 'mistr-extensions.Rmd' failed with diagnostics:
Failed to compile mistr-extensions.tex. See https://yihui.name/tinytex/r/#debugging for debugging tips. See mistr-extensions.log for more info.
--- failed re-building ‘mistr-extensions.Rmd’

--- re-building ‘mistr-introduction.Rmd’ using rmarkdown

Attaching package: 'mistr'

The following object is masked from 'package:base':

    q

tlmgr search --file --global '/tikzlibrarytopaths.code.tex'
Cannot determine type of tlpdb from /home/hornik/texmf!
tlmgr: running in usermode, did you call `tlmgr init-usertree'?
Warning in system2("tlmgr", args, ...) :
  running command ‘'tlmgr' search --file --global '/tikzlibrarytopaths.code.tex'’ had status 2
Warning in parse_packages(logfile, quiet = c(TRUE, FALSE, FALSE)) :
  Failed to find a package that contains tikzlibrarytopaths.code.tex
! LaTeX Error: Command \wrapfigure already defined.
               Or name \end... illegal, see p.192 of the manual.

Error: processing vignette 'mistr-introduction.Rmd' failed with diagnostics:
Failed to compile mistr-introduction.tex. See https://yihui.name/tinytex/r/#debugging for debugging tips. See mistr-introduction.log for more info.
--- failed re-building ‘mistr-introduction.Rmd’

SUMMARY: processing the following files failed:
  ‘mistr-extensions.Rmd’ ‘mistr-introduction.Rmd’

Error: Vignette re-building failed.
Execution halted