Error(s) in re-building vignettes:
--- re-building ‘Informative_Survival_Plots.Rmd’ using rmarkdown
Loading required package: ggplot2
Loading required package: ggpubr
Loading required package: magrittr
Warning: Vectorized input to `element_text()` is not officially supported.
Results may be unexpected or may change in future versions of ggplot2.
Warning: Vectorized input to `element_text()` is not officially supported.
Results may be unexpected or may change in future versions of ggplot2.
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Informative_Survival_Plots.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Informative_Survival_Plots.Rmd’

--- re-building ‘Playing_with_fonts_and_texts.Rmd’ using rmarkdown
Loading required package: ggplot2
Loading required package: ggpubr
Loading required package: magrittr
Warning: Vectorized input to `element_text()` is not officially supported.
Results may be unexpected or may change in future versions of ggplot2.
Warning: Vectorized input to `element_text()` is not officially supported.
Results may be unexpected or may change in future versions of ggplot2.
Warning: Vectorized input to `element_text()` is not officially supported.
Results may be unexpected or may change in future versions of ggplot2.
Warning: Vectorized input to `element_text()` is not officially supported.
Results may be unexpected or may change in future versions of ggplot2.
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Playing_with_fonts_and_texts.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Playing_with_fonts_and_texts.Rmd’

--- re-building ‘Specifiying_weights_in_log-rank_comparisons.Rmd’ using rmarkdown
Loading required package: ggplot2
Loading required package: ggpubr
Loading required package: magrittr
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Specifiying_weights_in_log-rank_comparisons.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Specifiying_weights_in_log-rank_comparisons.Rmd’

SUMMARY: processing the following files failed:
  ‘Informative_Survival_Plots.Rmd’ ‘Playing_with_fonts_and_texts.Rmd’
  ‘Specifiying_weights_in_log-rank_comparisons.Rmd’

Error: Vignette re-building failed.
Execution halted