Package suggested but not available for checking: ‘rgdal’
Error(s) in re-building vignettes:
  ...
--- re-building ‘onemapsgapi_vignette.Rmd’ using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] server certificate verification failed. CAfile: none CRLfile: none
--- failed re-building ‘onemapsgapi_vignette.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘rgdal’
Error(s) in re-building vignettes:
  ...
--- re-building ‘onemapsgapi_vignette.Rmd’ using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] server certificate verification failed. CAfile: none CRLfile: none
--- failed re-building ‘onemapsgapi_vignette.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘rgdal’
Error(s) in re-building vignettes:
--- re-building ‘onemapsgapi_vignette.Rmd’ using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] SSL certificate problem: self-signed certificate
--- failed re-building ‘onemapsgapi_vignette.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘rgdal’
Error(s) in re-building vignettes:
--- re-building ‘onemapsgapi_vignette.Rmd’ using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] SSL certificate problem: self-signed certificate
--- failed re-building ‘onemapsgapi_vignette.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'onemapsgapi_vignette.Rmd' using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] schannel: SEC_E_UNTRUSTED_ROOT (0x80090325) - Die Zertifikatkette wurde von einer nicht vertrauenswürdigen Zertifizierungsstelle ausgestellt.
--- failed re-building 'onemapsgapi_vignette.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘rgdal’
Error(s) in re-building vignettes:
  ...
--- re-building ‘onemapsgapi_vignette.Rmd’ using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] server certificate verification failed. CAfile: none CRLfile: none
--- failed re-building ‘onemapsgapi_vignette.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘rgdal’
Error(s) in re-building vignettes:
  ...
--- re-building ‘onemapsgapi_vignette.Rmd’ using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] server certificate verification failed. CAfile: none CRLfile: none
--- failed re-building ‘onemapsgapi_vignette.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'onemapsgapi_vignette.Rmd' using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] schannel: SEC_E_UNTRUSTED_ROOT (0x80090325) - Die Zertifikatkette wurde von einer nicht vertrauenswürdigen Zertifizierungsstelle ausgestellt.
--- failed re-building 'onemapsgapi_vignette.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'onemapsgapi_vignette.Rmd' using rmarkdown

Quitting from lines 36-37 [unnamed-chunk-4] (onemapsgapi_vignette.Rmd)
Error: processing vignette 'onemapsgapi_vignette.Rmd' failed with diagnostics:
SSL peer certificate or SSH remote key was not OK: [developers.onemap.sg] schannel: SEC_E_UNTRUSTED_ROOT (0x80090325) - Die Zertifikatkette wurde von einer nicht vertrauenswürdigen Zertifizierungsstelle ausgestellt.
--- failed re-building 'onemapsgapi_vignette.Rmd'

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

Error: Vignette re-building failed.
Execution halted