Employee in Position controlled by Human Resources message during GSS Change Full/Part Time or Hours

I have been testing Manager Self Service transactions that update Position and Job Data automatically.   When I process a transaction that updates position, for example a Location Change, there is a message that the "employee is in a position controlled by Position Management.  Position Data will be updated as a result of this transaction."  That all works great.   When I try to process a Change Full/Part Time or Hours transaction for the same employee, the message in the transaction says the "employee is in a position that is controlled by Human Resources Department.  An email notification will be sent to