More than one payment period assigned to extraordinary NCU &2

What causes this issue?

<DS:GLOS.49A0097A7B224424E10000000A421392>Net calculation unit</> (NCU)
&V1&, &V2&, valid for time interval &V3& is intended to be used for an
<DS:DE.PSSC_EXTRAORDINARY_NET_CALC>extraordinary net calculation</>.
This NCU has two or more
<DS:GLOS.4D736318F67149B4E10000000A421392>settlement periods</>. An NCU
for an extraordinary net calculation only supports one settlement
period.

System Response

The system does not process the current NCU.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Check if the problem has been caused by a customer-specific adjustment.
If this is not the case, contact SAP.

Error message extract from SAP system. Copyright SAP SE.