SAP Message >0387 - Cannot determine clarification account for payment lot item &1 &2

Diagnosis
Specification in account determination for posting area "1040"(clarification account for incoming payments) either do not exist orare incomplete.
The clarification account is to be determined for item &V2& in lot &V1&
.

System Response
A posting is not possible on the clarification account.

Procedure
Ensure that the settings for posting area 1040 are extended.