How To Fix UCD1020 - Breakdown &3 &4 by &1: Default value &2 not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: UCD1 - Messages for Document and Breakdown Check

• Message number: 020

• Message text: Breakdown &3 &4 by &1: Default value &2 not permitted

What causes this issue?

The current record contains the value &V2& for characteristic &V1&.
This is also the default value.
This characteristic is however assigned to &V3& &V4& as a required
breakdown, for which the preset default value is not accepted as an
explicit value.

System Response

Record cannot be processed

How to fix this error?

Make sure the default value is supposed to be invalid at &V3& &V4& for
the breakdown characteristic &V1&. Then make sure that the value &V2&
is not contained in any data records.
Otherwise, permit the use of the default value by assigning a different
breakdown type. Note that you can make these settings dependent on the
chart of accounts and the version.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.