Error(s) in re-building vignettes:
--- re-building ‘RLumModel_-_Getting_started_with_RLumModel.Rmd’ using rmarkdown
Loading required package: Luminescence
Loading required package: magrittr
Welcome to the R package Luminescence version 0.9.7 [Built: 2020-04-02 07:13:34 UTC]
Rubber mallet to steel cylinder: 'Let's rock and roll.'
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 'RLumModel_-_Getting_started_with_RLumModel.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘RLumModel_-_Getting_started_with_RLumModel.Rmd’

--- re-building ‘RLumModel_-_Simulating_luminescence_in_Al2O3.Rmd’ using rmarkdown
Loading required package: Luminescence
Loading required package: magrittr
Welcome to the R package Luminescence version 0.9.7 [Built: 2020-04-02 07:13:34 UTC]
The answer to life, the universe and everything: 'get_rightAnswer()'
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 'RLumModel_-_Simulating_luminescence_in_Al2O3.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘RLumModel_-_Simulating_luminescence_in_Al2O3.Rmd’

--- re-building ‘RLumModel_-_Using_own_parameter_sets.Rmd’ using rmarkdown
Loading required package: Luminescence
Loading required package: magrittr
Welcome to the R package Luminescence version 0.9.7 [Built: 2020-04-02 07:13:34 UTC]
A luminescence lab staff member to its customer: 'Tell me the age, I tell you the price.'
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 'RLumModel_-_Using_own_parameter_sets.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘RLumModel_-_Using_own_parameter_sets.Rmd’

SUMMARY: processing the following files failed:
  ‘RLumModel_-_Getting_started_with_RLumModel.Rmd’
  ‘RLumModel_-_Simulating_luminescence_in_Al2O3.Rmd’
  ‘RLumModel_-_Using_own_parameter_sets.Rmd’

Error: Vignette re-building failed.
Execution halted