SAP Message VVSCMASTERDATA038 - Payment plan change for relationship &1 / &2 not permitted in this LUW

Diagnosis
You get this messsage when attempting to execute one of the followingactivities:
A) Within an LUW (Logical Unit of Work), you attempted to set at leasttwo payment plan changes for the insurance object-business partnerrelatonship &V1& / &V2&. This is not permitted:
B) Within an LUW (Logical Unit of Work), you attempted to execute atransfer posting for the insurance object-business relationshipV1 / v2, and then attempted to set a payment plan change for thisrelationship. This is not permitted.
In this casem activity &V3& was the reason for the message.

System Response
Payment plan change not permitted for relationship &V1& / &V2& in thisLUW.

Procedure
A) Ensure that a Commit takes place after every time you set a paymentplan change for an insurance object-business partner relationship,before the next payment plan change is set for this relationship.
B) Ensure that a Commit takes place after every transfer posting to aninsurance object-business partner relationship, before a payment planchange is set for this relationship.