How To Fix DDLS297 - Reference fields in abstract entities must be defined locally

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 297

• Message text: Reference fields in abstract entities must be defined locally

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS297 - Reference fields in abstract entities must be defined locally ?

  The SAP error message DDLS297 indicates that there is an issue with the definition of reference fields in abstract entities within the Data Dictionary. Specifically, this error occurs when reference fields are defined in an abstract entity but are not defined locally within that entity. 
  Cause:
  
  Abstract Entity Definition: In SAP, an abstract entity is a type of entity that cannot be instantiated directly. It is meant to serve as a base for other entities. Reference fields in such entities must be defined locally to ensure that they are properly managed and can be utilized by the derived entities.
  Improper Field Definition: If a reference field is defined in an abstract entity but is not defined locally (i.e., it is not declared within the abstract entity itself), the system raises this error.
  
  Solution:
  To resolve the DDLS297 error, you need to ensure that all reference fields in the abstract entity are defined locally. Here are the steps to do this:
  
  Open the Abstract Entity: Go to the Data Dictionary (transaction SE11) and open the abstract entity that is causing the error.
  Check Reference Fields: Review the reference fields defined in the entity. Identify any reference fields that are not defined locally.
  Define Reference Fields Locally: For each reference field that is not defined locally, you need to:
  
  Add the field definition directly within the abstract entity.
  Ensure that the field has the correct data type and properties.
  
  
  Activate the Entity: After making the necessary changes, activate the abstract entity to apply the changes.
  Test: If applicable, test the derived entities to ensure that they can now reference the fields correctly without raising the error.
  
  Related Information:
  
  Abstract Entities: These are used in the context of the SAP ABAP Dictionary and are often part of the Object-Oriented programming model in SAP.
  Reference Fields: These fields are used to create relationships between different entities, and they must be properly defined to maintain data integrity.
  Data Dictionary (SE11): This is the transaction code used to access the Data Dictionary in SAP, where you can create and manage database objects.
  
  If you continue to experience issues after following these steps, consider checking SAP Notes or consulting with your SAP Basis or ABAP development team for further assistance.