Error(s) in re-building vignettes:
  ...
--- re-building 'SW00_Introduction_to_sweep.Rmd' using rmarkdown
-- Attaching packages --------------------------------------- tidyverse 1.3.0 --
v ggplot2 3.3.0     v purrr   0.3.3
v tibble  3.0.0     v dplyr   0.8.5
v tidyr   1.0.2     v stringr 1.4.0
v readr   1.3.1     v forcats 0.5.0
-- Conflicts ------------------------------------------ tidyverse_conflicts() --
x dplyr::filter() masks stats::filter()
x dplyr::lag()    masks stats::lag()
Loading required package: lubridate

Attaching package: 'lubridate'

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    intersect, setdiff, union

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Attaching package: 'zoo'

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    as.Date, as.Date.numeric


Attaching package: 'xts'

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Loading required package: quantmod
Loading required package: TTR
Version 0.4-0 included new data defaults. See ?getSymbols.
== Need to Learn tidyquant? ====================================================
Business Science offers a 1-hour course - Learning Lab #9: Performance Analysis & Portfolio Optimization with tidyquant!
</> Learn more at: https://university.business-science.io/p/learning-labs-pro </>
Loading required package: recipes

Attaching package: 'recipes'

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Quitting from lines 279-293 (SW00_Introduction_to_sweep.Rmd) 
Error: processing vignette 'SW00_Introduction_to_sweep.Rmd' failed with diagnostics:
Invalid input: date_trans works with objects of class Date only
--- failed re-building 'SW00_Introduction_to_sweep.Rmd'

--- re-building 'SW01_Forecasting_Time_Series_Groups.Rmd' using rmarkdown
-- Attaching packages --------------------------------------- tidyverse 1.3.0 --
v ggplot2 3.3.0     v purrr   0.3.3
v tibble  3.0.0     v dplyr   0.8.5
v tidyr   1.0.2     v stringr 1.4.0
v readr   1.3.1     v forcats 0.5.0
-- Conflicts ------------------------------------------ tidyverse_conflicts() --
x dplyr::filter() masks stats::filter()
x dplyr::lag()    masks stats::lag()
Loading required package: lubridate

Attaching package: 'lubridate'

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

    intersect, setdiff, union

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

    date, intersect, setdiff, union

Loading required package: PerformanceAnalytics
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Loading required package: zoo

Attaching package: 'zoo'

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

    as.Date, as.Date.numeric


Attaching package: 'xts'

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

    first, last


Attaching package: 'PerformanceAnalytics'

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

    legend

Loading required package: quantmod
Loading required package: TTR
Version 0.4-0 included new data defaults. See ?getSymbols.
== Need to Learn tidyquant? ====================================================
Business Science offers a 1-hour course - Learning Lab #9: Performance Analysis & Portfolio Optimization with tidyquant!
</> Learn more at: https://university.business-science.io/p/learning-labs-pro </>
Loading required package: recipes

Attaching package: 'recipes'

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Quitting from lines 182-192 (SW01_Forecasting_Time_Series_Groups.Rmd) 
Error: processing vignette 'SW01_Forecasting_Time_Series_Groups.Rmd' failed with diagnostics:
Invalid input: date_trans works with objects of class Date only
--- failed re-building 'SW01_Forecasting_Time_Series_Groups.Rmd'

--- re-building 'SW02_Forecasting_Multiple_Models.Rmd' using rmarkdown
-- Attaching packages --------------------------------------- tidyverse 1.3.0 --
v ggplot2 3.3.0     v purrr   0.3.3
v tibble  3.0.0     v dplyr   0.8.5
v tidyr   1.0.2     v stringr 1.4.0
v readr   1.3.1     v forcats 0.5.0
-- Conflicts ------------------------------------------ tidyverse_conflicts() --
x dplyr::filter() masks stats::filter()
x dplyr::lag()    masks stats::lag()
Loading required package: lubridate

Attaching package: 'lubridate'

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

    intersect, setdiff, union

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

    date, intersect, setdiff, union

Loading required package: PerformanceAnalytics
Loading required package: xts
Loading required package: zoo

Attaching package: 'zoo'

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

    as.Date, as.Date.numeric


Attaching package: 'xts'

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

    first, last


Attaching package: 'PerformanceAnalytics'

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

    legend

Loading required package: quantmod
Loading required package: TTR
Version 0.4-0 included new data defaults. See ?getSymbols.
== Need to Learn tidyquant? ====================================================
Business Science offers a 1-hour course - Learning Lab #9: Performance Analysis & Portfolio Optimization with tidyquant!
</> Learn more at: https://university.business-science.io/p/learning-labs-pro </>
Loading required package: recipes

Attaching package: 'recipes'

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

    fixed

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

    step

Quitting from lines 280-296 (SW02_Forecasting_Multiple_Models.Rmd) 
Error: processing vignette 'SW02_Forecasting_Multiple_Models.Rmd' failed with diagnostics:
Invalid input: date_trans works with objects of class Date only
--- failed re-building 'SW02_Forecasting_Multiple_Models.Rmd'

SUMMARY: processing the following files failed:
  'SW00_Introduction_to_sweep.Rmd'
  'SW01_Forecasting_Time_Series_Groups.Rmd'
  'SW02_Forecasting_Multiple_Models.Rmd'

Error: Vignette re-building failed.
Execution halted