Click on File, Definitions and select Product Codes. These need to be defined to separate the advertisers on the pre-edit log. This is to prevent one too many of the same products booked into the same break (product conflict). To add a new product code, double click on one of the existing codes

Click on Insert

Click on Ok

In the text field, enter in the name of the new Product Code and click the Save button. It will then be added to the list of Products. These are sorted alpha-numerically.
