SAP Message VVSCSOLL175 - Debit Entry with Old and New Payment Plan Items: No Summarization

Diagnosis
Summarization is to be executed with summarization key &V1&. However,the payment plan items are not summarized, as old payment plan items(created before Release 4.72) and new payment plan items (created afterRelease 4.72) exist for contract &V2& with partner &V3&.

System Response
Payment plan item with VVSCPOS-VERSION and payment plan item withoutVVSCPOS-VERSION are together in one debit entry. Any summarization isnot executed.