Our dunning letter picks up the overdue charges on a customer account, but does not include the orig

Our dunning letter picks up the overdue charges on a customer account, but does not include the original item which is past due.

Here are two items in question

The original item for $1,990 plus Overdue charges $79.89

Here is the information from the last dunning letter - it only includes the OC item

I've looked at the customer to make sure it is not on hold.  Our practice is to never put a customer on hold at the customer level.

I looked at the bill type used to create the original invoice

I looked at the Entry Types

I just don't see it.  I hope someone can point me in the right direction.