Fix 'Package babette_2.3.tar.gz has been built for Windows - with a WARNING'

Email title: Package babette_2.3.tar.gz has been built for Windows - with a WARNING

Dear package maintainer,

this notification has been generated automatically.
Your package babette_2.3.tar.gz did pass 'R CMD check' only with WARNING(s).
R version 4.1.1 (2021-08-10)

All the best,
Uwe Ligges
(Maintainer of binary packages for Windows)

Attached log:

* using log directory 'd:/Rcompile/CRANpkg/local/4.1/babette.Rcheck'
* using R version 4.1.1 (2021-08-10)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'babette/DESCRIPTION' ... OK
* this is package 'babette' version '2.3'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'babette' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [4s] OK
* checking Rd files ... [1s] OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [3s] OK
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in 'inst/doc' ... OK
* checking re-building of vignette outputs ... [6s] WARNING
Error(s) in re-building vignettes:
--- re-building 'demo.Rmd' using rmarkdown
Quitting from lines 21-34 (demo.Rmd) 
Error: processing vignette 'demo.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'demo.Rmd'

--- re-building 'examples.Rmd' using rmarkdown
Quitting from lines 20-22 (examples.Rmd) 
Error: processing vignette 'examples.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'examples.Rmd'

--- re-building 'nested_sampling.Rmd' using rmarkdown
Quitting from lines 20-22 (nested_sampling.Rmd) 
Error: processing vignette 'nested_sampling.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'nested_sampling.Rmd'

--- re-building 'step_by_step.Rmd' using rmarkdown
Quitting from lines 20-23 (step_by_step.Rmd) 
Error: processing vignette 'step_by_step.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'step_by_step.Rmd'

--- re-building 'tutorial.Rmd' using rmarkdown
Quitting from lines 21-23 (tutorial.Rmd) 
Error: processing vignette 'tutorial.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'tutorial.Rmd'

SUMMARY: processing the following files failed:
  'demo.Rmd' 'examples.Rmd' 'nested_sampling.Rmd' 'step_by_step.Rmd'
  'tutorial.Rmd'

Error: Vignette re-building failed.
Execution halted

* checking PDF version of manual ... OK
* DONE
Status: 1 WARNING

ropensci / babette

Fix 'Package babette_2.3.tar.gz has been built for Windows - with a WARNING' #100