[forge-dev] Entity field creation in 1.4.1

Hi All I am trying to add a field to my entity using a OneToMany relationship and specifying the type, however when I specify the type it says it can't find the entity. The Entity of concern is a different package and is declared as a dependency to the project. Is there anyway to do this, add a field type and relationship with and entity that exists in a different package and a dependency? Thanks David