How To Fix CDSUI003 - Attribute &1 is defined more than once

CDSUI003 - Overview

• Message type: E = Error

• Message class: CDSUI - Central Data Source UI messages

• Message number: 003

• Message text: Attribute &1 is defined more than once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CDSUI003 - Attribute &1 is defined more than once ?

  The SAP error message CDSUI003 indicates that there is a problem with the definition of a Core Data Services (CDS) view, specifically that an attribute is defined more than once within the same context. This typically occurs when you have duplicate field names in the SELECT statement of your CDS view or when you are trying to define the same field multiple times in the projection list.
  
  Cause:
  
  Duplicate Field Names: The most common cause is that the same field is being selected multiple times in the CDS view definition.
  Join Conditions: If you are joining multiple tables and they have fields with the same name, and you do not alias them properly, it can lead to this error.
  Inconsistent Aliasing: If you are using aliases for fields but have not done so consistently, it can also result in this error.
  
  
  Solution:
  
  
  Check the SELECT Statement: Review the SELECT statement in your CDS view definition. Ensure