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

UCD1020 - Overview

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCD1020 - Breakdown &3 &4 by &1: Default value &2 not permitted ?

  The SAP error message UCD1020, which states "Breakdown &3 &4 by &1: Default value &2 not permitted," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error indicates that there is an issue with the default value being used for a breakdown in a report or analysis.
  
  Cause:
  The error can be caused by several factors, including:
  
  
  Invalid Default Value: The default value specified for the breakdown is not valid for the context in which it is being used. This could be due to incorrect configuration or data entry.
  
  
  Missing Master Data: The master data required for the breakdown (such as cost centers, internal orders, or other relevant entities) may be missing or incorrectly set up.
  
  
  
  Configuration Issues: There may be issues in the configuration of the controlling area or the specific settings for the breakdown structure.
  
  
  Data Inconsistencies: There could be inconsistencies in