Maintainer: ‘Christoph Ritschel <christoph.ritschel@met.fu-berlin.de>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Christoph",
                    family = "Ritschel",
                    role = c("aut", "cre"),
                    email = "christoph.ritschel@met.fu-berlin.de")
as necessary.
Maintainer: ‘Christoph Ritschel <christoph.ritschel@met.fu-berlin.de>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Christoph",
                    family = "Ritschel",
                    role = c("aut", "cre"),
                    email = "christoph.ritschel@met.fu-berlin.de")
as necessary.