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

Quitting from lines 405-425 [nuc-plot] (PIgLET-vignette.Rmd)
Error: processing vignette 'PIgLET-vignette.Rmd' failed with diagnostics:
there is no package called 'ggmsa'
--- failed re-building ‘PIgLET-vignette.Rmd’

SUMMARY: processing the following file failed:
  ‘PIgLET-vignette.Rmd’

Error: Vignette re-building failed.
Execution halted
Packages required and available but unsuitable versions:
  'Biostrings', 'DECIPHER'

Package suggested but not available for checking: ‘ggmsa’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Packages required and available but unsuitable versions:
  'Biostrings', 'DECIPHER'

Package suggested but not available for checking: ‘ggmsa’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.