Error(s) in re-building vignettes:
--- re-building ‘create_Seasonally_Detrended_Flow_and_Salinity_Data_Sets.Rmd’ using rmarkdown
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 'create_Seasonally_Detrended_Flow_and_Salinity_Data_Sets.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘create_Seasonally_Detrended_Flow_and_Salinity_Data_Sets.Rmd’

--- re-building ‘vignette_qw.Rmd’ using rmarkdown
Loading required package: lubridate

Attaching package: 'lubridate'

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

    date

Loading required package: mgcv
Loading required package: nlme
This is mgcv 1.8-31. For overview type 'help("mgcv-package")'.
**baytrends v1.2.1 Notice.** This software program is preliminary or provisional and is subject to revision. This software program is for testing only, no warranty, expressed or implied, is made as to the accuracy and functioning of the program and related program material nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed in connection therewith. This software is provided 'AS IS.' 

Attaching package: 'baytrends'

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

    View

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

SUMMARY: processing the following files failed:
  ‘create_Seasonally_Detrended_Flow_and_Salinity_Data_Sets.Rmd’
  ‘vignette_qw.Rmd’

Error: Vignette re-building failed.
Execution halted