Error(s) in re-building vignettes:
--- re-building ‘PupilPre_Basic_Preprocessing.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: dplyr

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

Loading required package: rlang
Loading required package: VWPre
This is VWPre version 1.2.4. See NEWS for important changes. 
For package information, type 'help(package="VWPre")'. 
To cite this package, type 'citation(package="VWPre")'.
This is PupilPre version 0.6.2. See NEWS for important changes. 
For package information, type 'help(package="PupilPre")'. 
To cite this package, type 'citation(package="PupilPre")'.
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y,  :
  no font could be found for family "Arial"
Quitting from lines 224-241 (PupilPre_Basic_Preprocessing.Rmd) 
Error: processing vignette 'PupilPre_Basic_Preprocessing.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘PupilPre_Basic_Preprocessing.Rmd’

--- re-building ‘PupilPre_Cleanup.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: dplyr

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

Loading required package: rlang
Loading required package: VWPre
This is VWPre version 1.2.4. See NEWS for important changes. 
For package information, type 'help(package="VWPre")'. 
To cite this package, type 'citation(package="VWPre")'.
This is PupilPre version 0.6.2. See NEWS for important changes. 
For package information, type 'help(package="PupilPre")'. 
To cite this package, type 'citation(package="PupilPre")'.
Marking data points outside of 1920x1080.

Recoding pupil size data.

1.02% of data marked as off-screen
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y,  :
  no font could be found for family "Arial"
Quitting from lines 42-59 (PupilPre_Cleanup.Rmd) 
Error: processing vignette 'PupilPre_Cleanup.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘PupilPre_Cleanup.Rmd’

--- re-building ‘PupilPre_Interpolation_and_Filtering.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: dplyr

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

Loading required package: rlang
Loading required package: VWPre
This is VWPre version 1.2.4. See NEWS for important changes. 
For package information, type 'help(package="VWPre")'. 
To cite this package, type 'citation(package="VWPre")'.
This is PupilPre version 0.6.2. See NEWS for important changes. 
For package information, type 'help(package="PupilPre")'. 
To cite this package, type 'citation(package="PupilPre")'.

Running cleanup based on MAD (median absolute deviation) and robust Mahalanobis distance.

Writing cleanup info to /Volumes/Temp/tmp/RtmphntspB/ArtifactCleanupLog.rds.
Loading file /Volumes/Temp/tmp/RtmphntspB/UserCleanupLog.rds
Applying cleanup based on  /Volumes/Temp/tmp/RtmphntspB/UserCleanupLog.rds
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y,  :
  no font could be found for family "Arial"
Quitting from lines 55-72 (PupilPre_Interpolation_and_Filtering.Rmd) 
Error: processing vignette 'PupilPre_Interpolation_and_Filtering.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘PupilPre_Interpolation_and_Filtering.Rmd’

--- re-building ‘PupilPre_Message_Alignment.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: dplyr

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

Loading required package: rlang
Loading required package: VWPre
This is VWPre version 1.2.4. See NEWS for important changes. 
For package information, type 'help(package="VWPre")'. 
To cite this package, type 'citation(package="VWPre")'.
This is PupilPre version 0.6.2. See NEWS for important changes. 
For package information, type 'help(package="PupilPre")'. 
To cite this package, type 'citation(package="PupilPre")'.
Checking required columns...
    All required columns are present in the data.
Checking optional columns...
    All optional columns are present in the data.
Working on required columns...
    RECORDING_SESSION_LABEL renamed to Subject. 
    item renamed to Item.
    Subject converted to factor.
    LEFT_PUPIL_SIZE converted to numeric.
    LEFT_GAZE_X converted to numeric.
    LEFT_GAZE_Y converted to numeric.
    LEFT_IN_BLINK converted to numeric.
    LEFT_IN_SACCADE converted to numeric.
    LEFT_ACCELERATION_X converted to numeric.
    LEFT_ACCELERATION_Y converted to numeric.
    LEFT_VELOCITY_X converted to numeric.
    LEFT_VELOCITY_Y converted to numeric.
    RIGHT_PUPIL_SIZE converted to numeric.
    RIGHT_GAZE_X converted to numeric.
    RIGHT_GAZE_Y converted to numeric.
    RIGHT_IN_BLINK converted to numeric.
    RIGHT_IN_SACCADE converted to numeric.
    RIGHT_ACCELERATION_X converted to numeric.
    RIGHT_ACCELERATION_Y converted to numeric.
    RIGHT_VELOCITY_X converted to numeric.
    RIGHT_VELOCITY_Y converted to numeric.
    TIMESTAMP converted to numeric.
    TRIAL_INDEX converted to numeric.
    Event variable created from Subject and TRIAL_INDEX
Working on optional columns...
    SAMPLE_MESSAGE converted to factor.
    EYE_TRACKED converted to factor.
--- finished re-building ‘PupilPre_Message_Alignment.Rmd’

--- re-building ‘PupilPre_Plotting.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: dplyr

Attaching package: 'dplyr'

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

    combine

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Loading required package: rlang
Loading required package: VWPre
This is VWPre version 1.2.4. See NEWS for important changes. 
For package information, type 'help(package="VWPre")'. 
To cite this package, type 'citation(package="VWPre")'.
This is PupilPre version 0.6.2. See NEWS for important changes. 
For package information, type 'help(package="PupilPre")'. 
To cite this package, type 'citation(package="PupilPre")'.
Grand average calculated using Event means.
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y,  :
  no font could be found for family "Arial"
Quitting from lines 42-45 (PupilPre_Plotting.Rmd) 
Error: processing vignette 'PupilPre_Plotting.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘PupilPre_Plotting.Rmd’

SUMMARY: processing the following files failed:
  ‘PupilPre_Basic_Preprocessing.Rmd’ ‘PupilPre_Cleanup.Rmd’
  ‘PupilPre_Interpolation_and_Filtering.Rmd’ ‘PupilPre_Plotting.Rmd’

Error: Vignette re-building failed.
Execution halted