The division of roles between the entities involved in the development and validation phase of the programme (EU and ESA Member States, Commission, GJU and ESA) was not clearly defined.
Programmi arendus- ja valideerimisetapis osalevate tahkude (EL, Euroopa Kosmoseagentuuri liikmesriigid, komisjon, GJU ja ESA) ülesannete jaotus ei olnud selgelt määratletud.