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

--- re-building ‘Analysis_pipelines_for_working_with_R_dataframes.Rmd’ using rmarkdown
Loading required package: magrittr
Loading required package: pipeR
Creating a new generic function for 'univarCatDistPlots' in the global environment
Creating a new generic function for 'outlierPlot' in the global environment
Creating a new generic function for 'multiVarOutlierPlot' in the global environment
Creating a new generic function for 'ignoreCols' in the global environment
Creating a new generic function for 'getFeaturesForPyClassification' in the global environment
Creating a new generic function for 'getTargetForPyClassification' in the global environment

Attaching package: 'analysisPipelines'

The following objects are masked _by_ '.GlobalEnv':

    getFeaturesForPyClassification, getTargetForPyClassification,
    ignoreCols, multiVarOutlierPlot, outlierPlot, univarCatDistPlots

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

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

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

--- re-building ‘Meta_Pipelines.Rmd’ using rmarkdown
Loading required package: magrittr
Loading required package: pipeR
Creating a new generic function for 'univarCatDistPlots' in the global environment
Creating a new generic function for 'outlierPlot' in the global environment
Creating a new generic function for 'multiVarOutlierPlot' in the global environment
Creating a new generic function for 'ignoreCols' in the global environment
Creating a new generic function for 'getFeaturesForPyClassification' in the global environment
Creating a new generic function for 'getTargetForPyClassification' in the global environment

Attaching package: 'analysisPipelines'

The following objects are masked _by_ '.GlobalEnv':

    getFeaturesForPyClassification, getTargetForPyClassification,
    ignoreCols, multiVarOutlierPlot, outlierPlot, univarCatDistPlots

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

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

--- re-building ‘Using_pipelines_inside_shiny_widgets.Rmd’ using rmarkdown
Loading required package: magrittr
Loading required package: pipeR
Creating a new generic function for 'univarCatDistPlots' in the global environment
Creating a new generic function for 'outlierPlot' in the global environment
Creating a new generic function for 'multiVarOutlierPlot' in the global environment
Creating a new generic function for 'ignoreCols' in the global environment
Creating a new generic function for 'getFeaturesForPyClassification' in the global environment
Creating a new generic function for 'getTargetForPyClassification' in the global environment

Attaching package: 'analysisPipelines'

The following objects are masked _by_ '.GlobalEnv':

    getFeaturesForPyClassification, getTargetForPyClassification,
    ignoreCols, multiVarOutlierPlot, outlierPlot, univarCatDistPlots

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

SUMMARY: processing the following files failed:
  ‘Analysis_pipelines_for_working_with_Python_functions.Rmd’
  ‘Analysis_pipelines_for_working_with_R_dataframes.Rmd’
  ‘Analysis_pipelines_for_working_with_sparkR.Rmd’
  ‘Interoperable_Pipelines.Rmd’ ‘Meta_Pipelines.Rmd’
  ‘Streaming_pipelines_for_working_Apache_Spark_Structured_Streaming.Rmd’
  ‘Using_pipelines_inside_shiny_widgets.Rmd’

Error: Vignette re-building failed.
Execution halted