Error(s) in re-building vignettes:
  ...
--- re-building ‘Introduction_to_spnaf.Rmd’ using rmarkdown

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building ‘Introduction_to_spnaf.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘Introduction_to_spnaf.Rmd’ using rmarkdown

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building ‘Introduction_to_spnaf.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘Introduction_to_spnaf.Rmd’ using rmarkdown

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building ‘Introduction_to_spnaf.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘Introduction_to_spnaf.Rmd’ using rmarkdown

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building ‘Introduction_to_spnaf.Rmd’

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

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

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building 'Introduction_to_spnaf.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘Introduction_to_spnaf.Rmd’ using rmarkdown

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building ‘Introduction_to_spnaf.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘Introduction_to_spnaf.Rmd’ using rmarkdown

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building ‘Introduction_to_spnaf.Rmd’

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

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

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building 'Introduction_to_spnaf.Rmd'

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

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

Quitting from lines 49-66 [unnamed-chunk-5] (Introduction_to_spnaf.Rmd)
Error: processing vignette 'Introduction_to_spnaf.Rmd' failed with diagnostics:
row.names wrong length
--- failed re-building 'Introduction_to_spnaf.Rmd'

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

Error: Vignette re-building failed.
Execution halted