Error(s) in re-building vignettes:
--- re-building ‘basics.Rmd’ using rmarkdown
Quitting from lines 149-158 (basics.Rmd) 
Error: processing vignette 'basics.Rmd' failed with diagnostics:
`step_meanimpute()` was deprecated in recipes 0.1.16 and is now defunct.
Please use `step_impute_mean()` instead.
--- failed re-building ‘basics.Rmd’

--- re-building ‘classification.Rmd’ using rmarkdown
i Creating pre-processing data to finalize unknown parameter: mtry
! Bootstrap02: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -68); Conv...
! Bootstrap03: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -74); Conv...
! Bootstrap04: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -63); Conv...
! Bootstrap06: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -74); Conv...
! Bootstrap08: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -56); Conv...
! Bootstrap10: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -72); Conv...
! Bootstrap12: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -62); Conv...
! Bootstrap13: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -75); Conv...
! Bootstrap15: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -63); Conv...
! Bootstrap16: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -65); Conv...
! Bootstrap18: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -59); Conv...
! Bootstrap19: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -72); Conv...
! Bootstrap21: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -63); Conv...
! Bootstrap22: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -62); Conv...
! Bootstrap23: preprocessor 1/1, model 1/1: from glmnet C++ code (error code -66); Conv...
── A stacked ensemble model ─────────────────────────────────────

Out of 40 possible candidate members, the ensemble retained 28.
Penalty: 1e-06.
Mixture: 1.
Across the 3 classes, there are an average of 9.33 coefficients per class.

The 10 highest weighted member classes are:
--- finished re-building ‘classification.Rmd’

SUMMARY: processing the following file failed:
  ‘basics.Rmd’

Error: Vignette re-building failed.
Execution halted