User has 'Import List' permission in Marketing Activities and Database but is unable to import a list. The Limited Access message below is being returned:
"You do not have sufficient privileges to perform this action"
In order for a user to have permission to import a list in Marketing Activities and Database, the user would need to also have the 'Edit Person' permission.
see article for list of permissions: http://docs.marketo.com/display/public/DOCS/Descriptions+of+Role+Permissions