Maintainer: ‘Luisa Salazar Vizcaya <luisapaola.salazarvizcaya@insel.ch>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = c("Luisa", "Salazar"),
                      family = "Vizcaya",
                      role = c("aut", "cre"),
                      email = "luisapaola.salazarvizcaya@insel.ch"),
               person(given = "Nello",
                      family = "Blaser",
                      role = "aut"),
               person(given = "Thomas",
                      family = "Gsponer",
                      role = "aut"))
as necessary.

Package CITATION file contains call(s) to old-style personList() or
as.personList().  Please use c() on person objects instead.
Package CITATION file contains call(s) to old-style citEntry().  Please
use bibentry() instead.

Found the following (possibly) invalid file URIs:
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf
  URI: file61ad67a4b0303.html
    From: inst/doc/gems.pdf