Maintainer: ‘Siakoulis Vasilios <Siakoulis.Vasilios@atticabank.gr>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Siakoulis",
                      family = "Vasileios",
                      role = "aut"),
               person(given = "Siakoulis",
                      family = "Vasilios",
                      role = "cre",
                      email = "Siakoulis.Vasilios@atticabank.gr"))
as necessary.
Maintainer: ‘Siakoulis Vasilios <Siakoulis.Vasilios@atticabank.gr>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Siakoulis",
                      family = "Vasileios",
                      role = "aut"),
               person(given = "Siakoulis",
                      family = "Vasilios",
                      role = "cre",
                      email = "Siakoulis.Vasilios@atticabank.gr"))
as necessary.