How To Fix UCFE503 - InfoObject 0BCS_DECUM must be uniquely defined in the query

UCFE503 - Overview

• Message type: E = Error

• Message class: UCFE - Messages for Data Entry Layouts

• Message number: 503

• Message text: InfoObject 0BCS_DECUM must be uniquely defined in the query

What causes this issue?

InfoObject 0BCS_DECUM must be uniquely defined in the query, either with
the single value "X" or blank.

System Response

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

How to fix this error?

Adjust the aggregation level and the query accordingly.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCFE503 - InfoObject 0BCS_DECUM must be uniquely defined in the query ?

  The SAP error message UCFE503 indicates that the InfoObject 0BCS_DECUM must be uniquely defined in the query. This error typically arises in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when creating or executing queries in the Query Designer or BEx Analyzer.
  
  Cause:
  The error occurs when the InfoObject 0BCS_DECUM (which is often used for document numbers or similar identifiers) is included in the query in a way that it is not uniquely defined. This can happen due to several reasons:
  
  Multiple Instances: The InfoObject is included multiple times in the query, either in the selection criteria or in the display columns.
  Ambiguous Definitions: The InfoObject is defined in a way that the system cannot determine which instance to use.
  Incorrect Joins: If the InfoObject is part of multiple data sources or joins, it may lead to ambiguity in the query.
  
  
  Solution:
  To resolve the UCFE503 error, you can take the following steps:
  
  
  Check