Error(s) in re-building vignettes:
--- re-building ‘help.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/utf8_1.2.1.tgz'
Content type 'application/x-gzip' length 196829 bytes (192 KB)
==================================================
downloaded 192 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/pillar_1.6.1.tgz'
Content type 'application/x-gzip' length 1011617 bytes (987 KB)
==================================================
downloaded 987 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/pkgconfig_2.0.3.tgz'
Content type 'application/x-gzip' length 17699 bytes (17 KB)
==================================================
downloaded 17 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/vctrs_0.3.8.tgz'
Content type 'application/x-gzip' length 1413379 bytes (1.3 MB)
==================================================
downloaded 1.3 MB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/glue_1.4.2.tgz'
Content type 'application/x-gzip' length 139193 bytes (135 KB)
==================================================
downloaded 135 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/rprojroot_2.0.2.tgz'
Content type 'application/x-gzip' length 96407 bytes (94 KB)
==================================================
downloaded 94 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/rstudioapi_0.13.tgz'
Content type 'application/x-gzip' length 272781 bytes (266 KB)
==================================================
downloaded 266 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/diffobj_0.3.4.tgz'
Content type 'application/x-gzip' length 997572 bytes (974 KB)
==================================================
downloaded 974 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/rematch2_2.1.2.tgz'
Content type 'application/x-gzip' length 44893 bytes (43 KB)
==================================================
downloaded 43 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/tibble_3.1.2.tgz'
Content type 'application/x-gzip' length 803949 bytes (785 KB)
==================================================
downloaded 785 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/brio_1.1.2.tgz'
Content type 'application/x-gzip' length 37192 bytes (36 KB)
==================================================
downloaded 36 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/callr_3.7.0.tgz'
Content type 'application/x-gzip' length 437546 bytes (427 KB)
==================================================
downloaded 427 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/cli_2.5.0.tgz'
Content type 'application/x-gzip' length 531667 bytes (519 KB)
==================================================
downloaded 519 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/crayon_1.4.1.tgz'
Content type 'application/x-gzip' length 139710 bytes (136 KB)
==================================================
downloaded 136 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/desc_1.3.0.tgz'
Content type 'application/x-gzip' length 527595 bytes (515 KB)
==================================================
downloaded 515 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/digest_0.6.27.tgz'
Content type 'application/x-gzip' length 300351 bytes (293 KB)
==================================================
downloaded 293 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/ellipsis_0.3.2.tgz'
Content type 'application/x-gzip' length 36467 bytes (35 KB)
==================================================
downloaded 35 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/evaluate_0.14.tgz'
Content type 'application/x-gzip' length 74580 bytes (72 KB)
==================================================
downloaded 72 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/jsonlite_1.7.2.tgz'
Content type 'application/x-gzip' length 491964 bytes (480 KB)
==================================================
downloaded 480 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/lifecycle_1.0.0.tgz'
Content type 'application/x-gzip' length 93204 bytes (91 KB)
==================================================
downloaded 91 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/magrittr_2.0.1.tgz'
Content type 'application/x-gzip' length 223566 bytes (218 KB)
==================================================
downloaded 218 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/pkgload_1.2.1.tgz'
Content type 'application/x-gzip' length 152364 bytes (148 KB)
==================================================
downloaded 148 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/praise_1.0.0.tgz'
Content type 'application/x-gzip' length 16151 bytes (15 KB)
==================================================
downloaded 15 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/processx_3.5.2.tgz'
Content type 'application/x-gzip' length 296215 bytes (289 KB)
==================================================
downloaded 289 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/ps_1.6.0.tgz'
Content type 'application/x-gzip' length 286473 bytes (279 KB)
==================================================
downloaded 279 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/R6_2.5.0.tgz'
Content type 'application/x-gzip' length 82374 bytes (80 KB)
==================================================
downloaded 80 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/rlang_0.4.11.tgz'
Content type 'application/x-gzip' length 1328437 bytes (1.3 MB)
==================================================
downloaded 1.3 MB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/waldo_0.2.5.tgz'
Content type 'application/x-gzip' length 70096 bytes (68 KB)
==================================================
downloaded 68 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/withr_2.4.2.tgz'
Content type 'application/x-gzip' length 209602 bytes (204 KB)
==================================================
downloaded 204 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/pls_2.7-3.tgz'
Content type 'application/x-gzip' length 1267419 bytes (1.2 MB)
==================================================
downloaded 1.2 MB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/testthat_3.0.2.tgz'
Content type 'application/x-gzip' length 2905942 bytes (2.8 MB)
==================================================
downloaded 2.8 MB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/apercu_0.2.4.tgz'
Content type 'application/x-gzip' length 26129 bytes (25 KB)
==================================================
downloaded 25 KB

trying URL 'https://cloud.r-project.org/src/contrib/fansi_0.5.0.tar.gz'
Content type 'application/x-gzip' length 301724 bytes (294 KB)
==================================================
downloaded 294 KB

* installing *source* package ‘fansi’ ...
** package ‘fansi’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c assumptions.c -o assumptions.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c has.c -o has.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c init.c -o init.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c nchar.c -o nchar.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c read.c -o read.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c rnchar.c -o rnchar.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c state.c -o state.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c strip.c -o strip.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c strsplit.c -o strsplit.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c tabs.c -o tabs.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c tohtml.c -o tohtml.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c unhandled.c -o unhandled.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c unique.c -o unique.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c utf8.c -o utf8.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c utils.c -o utils.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c wrap.c -o wrap.o
clang -mmacosx-version-min=10.13 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/Library/Frameworks/R.framework/Resources/lib -L/usr/local/lib -o fansi.so assumptions.o has.o init.o nchar.o read.o rnchar.o state.o strip.o strsplit.o tabs.o tohtml.o unhandled.o unique.o utf8.o utils.o wrap.o -F/Library/Frameworks/R.framework/.. -framework R -Wl,-framework -Wl,CoreFoundation
installing to /Volumes/Temp/tmp/RtmpWc3sl3/folder1/00LOCK-fansi/00new/fansi/libs
** generating debug symbols (dSYM)
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (fansi)

The downloaded source packages are in
	'/Volumes/Temp/tmp/RtmpWc3sl3/downloaded_packages'
* installing *source* package ‘dummyPackage’ ...
** using staged installation
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (dummyPackage)
trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/apercu_0.2.4.tgz'
Content type 'application/x-gzip' length 26129 bytes (25 KB)
==================================================
downloaded 25 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/apercu_0.2.4.tgz'
Content type 'application/x-gzip' length 26129 bytes (25 KB)
==================================================
downloaded 25 KB

trying URL 'https://cloud.r-project.org/bin/macosx/contrib/4.1/apercu_0.2.4.tgz'
Content type 'application/x-gzip' length 26129 bytes (25 KB)
==================================================
downloaded 25 KB

Error: processing vignette 'help.Rmd' failed with diagnostics:
there is no package called ‘markdown’
--- failed re-building ‘help.Rmd’

SUMMARY: processing the following file failed:
  ‘help.Rmd’

Error: Vignette re-building failed.
Execution halted