Hi Jeremy,
Method 1: Perform steps from the link mentioned below and see if it helps.
**http://support.tassoftware.co.uk/Support/Home.aspx?tid=258249&stid=319530&pid=319543**
Method 2: If the issue persists, I would recommend you to contact their support for better assistance.
**http://support.tassoftware.co.uk/Support/Home.aspx?tid=258249&stid=319517**
Please reply if you have any questions.