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

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Loading required package: spatstat.data
Loading required package: nlme

Attaching package: 'nlme'

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

    collapse

Loading required package: rpart

spatstat 1.63-3       (nickname: 'Wet paint') 
For an introduction to spatstat, type 'beginner' 


Attaching package: 'spatstat'

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

    marginSums

Loading required package: sp

Attaching package: 'raster'

The following objects are masked from 'package:spatstat':

    area, rotate, shift

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

    getData

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

    select


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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 'get_started.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘get_started.Rmd’

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

Error: Vignette re-building failed.
Execution halted