For a user to be able to work with ARIS Viewer Contribution the following requirements must be met:
The user has the ARIS Connect Viewer and Contribution license privileges.
The Workspace database content was published for versionable databases.
The user has at least the Write access privilege for the group content of the database to be edited. Deleting items requires the Delete access privilege.
The administrator has activated the Classic view, Default view, or a view derived from these views.