SAP Message >5713 - Not all business partner items can be transferred

Diagnosis
Among the selected business partner items are items that are notpermitted for a transfer. Examples of reasons are:
Item was submitted to an external collection agency
Item is part of an active installment plan
Item is part of a collective bill
Credit memo item (see Customizing)
Statistical budget billing request
Statistical disbursement request
Statistical cash security deposit request
Statistical item
Clearing update invoice item
Transfer creates identical item

System Response
All permissible business partner items are transferred.