Error(s) in re-building vignettes:
--- re-building ‘overview.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

Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
Warning in if (class(distance) == "dist") distance <- as.matrix(distance) :
  the condition has length > 1 and only the first element will be used
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 'overview.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘overview.Rmd’

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

Error: Vignette re-building failed.
Execution halted