Auto Accounting Rule Configuration -Memo Lines and Item Codes

I am importing some AR transactions through the Auto Invoice import program, there are two type of transaction, one type of transaction using Item code and another using Memo lines, In the My auto Account rule configuration, revenue account is pointing to memo lines. So when I import auto Invoice transaction, if the line based on the item code. Import auto invoice program is error out- showing check Auto accounting rule - Plese suggest how I can configure auto accounting rule to accommodate both item code and memo lines