Error(s) in re-building vignettes:
  ...
--- re-building 'text2sdg.Rmd' using rmarkdown
Quitting from lines 58-64 (text2sdg.Rmd) 
Error: processing vignette 'text2sdg.Rmd' failed with diagnostics:
input string 7001 is invalid
--- failed re-building 'text2sdg.Rmd'

SUMMARY: processing the following file failed:
  'text2sdg.Rmd'

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘text2sdg.Rmd’ using rmarkdown
Quitting from lines 58-64 (text2sdg.Rmd) 
Error: processing vignette ‘text2sdg.Rmd’ failed with diagnostics:
input string 728 is invalid
--- failed re-building ‘text2sdg.Rmd’

SUMMARY: processing the following file failed:
  ‘text2sdg.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘text2sdg.Rmd’ using rmarkdown
Quitting from lines 58-64 (text2sdg.Rmd) 
Error: processing vignette 'text2sdg.Rmd' failed with diagnostics:
input string 728 is invalid
--- failed re-building ‘text2sdg.Rmd’

SUMMARY: processing the following file failed:
  ‘text2sdg.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'text2sdg.Rmd' using rmarkdown
Quitting from lines 58-64 (text2sdg.Rmd) 
Error: processing vignette 'text2sdg.Rmd' failed with diagnostics:
input string 728 is invalid
--- failed re-building 'text2sdg.Rmd'

SUMMARY: processing the following file failed:
  'text2sdg.Rmd'

Error: Vignette re-building failed.
Execution halted