Error(s) in re-building vignettes:
  ...
--- re-building ‘README.Rmd’ using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette ‘README.Rmd’ failed with diagnostics:
source crs creation failed: Invalid PROJ string syntax
--- failed re-building ‘README.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘README.Rmd’ using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette ‘README.Rmd’ failed with diagnostics:
source crs creation failed: Invalid PROJ string syntax
--- failed re-building ‘README.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘README.Rmd’ using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette 'README.Rmd' failed with diagnostics:
source crs creation failed: Unknown error (code 4096)
--- failed re-building ‘README.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'README.Rmd' using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette 'README.Rmd' failed with diagnostics:
source crs creation failed: Invalid PROJ string syntax
--- failed re-building 'README.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘README.Rmd’ using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette ‘README.Rmd’ failed with diagnostics:
source crs creation failed: Invalid PROJ string syntax
--- failed re-building ‘README.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘README.Rmd’ using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette ‘README.Rmd’ failed with diagnostics:
source crs creation failed: Invalid PROJ string syntax
--- failed re-building ‘README.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'README.Rmd' using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette 'README.Rmd' failed with diagnostics:
source crs creation failed: Invalid PROJ string syntax
--- failed re-building 'README.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'README.Rmd' using rmarkdown
proj_create: unrecognized format / unknown name

Quitting from lines 76-89 [unnamed-chunk-3] (README.Rmd)
Error: processing vignette 'README.Rmd' failed with diagnostics:
source crs creation failed: Unknown error (code 4096)
--- failed re-building 'README.Rmd'

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

Error: Vignette re-building failed.
Execution halted