Error(s) in re-building vignettes:
--- re-building ‘DHARMa.Rmd’ using rmarkdown
Loading required package: Matrix
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
boundary (singular) fit: see ?isSingular
DHARMa::testTemporalAutocorrelation - no time argument provided, using random times for each data point
DHARMa::testSpatialAutocorrelation - no x coordinates provided, using random values for each data point
DHARMa::testSpatialAutocorrelation - no x coordinates provided, using random values for each data point
Model family was recognized or set as continuous, but duplicate values were detected in the response. Consider if you are fitting an appropriate model.
Model family was recognized or set as continuous, but duplicate values were detected in the simulation - changing to integer residuals (see ?simulateResiduals for details)
testOverdispersion is deprecated, switch your code to using the testDispersion function
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 'DHARMa.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘DHARMa.Rmd’

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

Error: Vignette re-building failed.
Execution halted