How To Fix SDDL_PARSER_MSG228 - An entity cannot use itself as a child entity

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 228

• Message text: An entity cannot use itself as a child entity

What causes this issue?

The parent and child entity of a composition cannot be the same entity.

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?

Use a different child entity in the composition.

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 SDDL_PARSER_MSG228 - An entity cannot use itself as a child entity ?

  The SAP error message SDDL_PARSER_MSG228 indicates that there is an issue with the structure of a data model or entity definition in the SAP system. Specifically, this error occurs when an entity is incorrectly defined to reference itself as a child entity, which is not allowed in the context of hierarchical data structures.
  Cause:
  The primary cause of this error is a misconfiguration in the entity relationships within the data model. This can happen if:
  
  An entity is defined in such a way that it attempts to include itself as a child in its own hierarchy.
  There is a mistake in the configuration or coding where the parent-child relationship is incorrectly set up.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Entity Definitions: Check the definition of the entity that is causing the error. Ensure that it does not reference itself as a child entity. 
  
  
  Correct Hierarchical Relationships: If the entity is meant to have child entities, ensure that these child entities are different and do not include the parent entity itself.
  
  
  Check Configuration: If you are using a configuration tool or a modeling tool, verify that the relationships are set up correctly. Look for any circular references or incorrect parent-child relationships.
  
  
  Test Changes: After making the necessary corrections, test the changes to ensure that the error no longer occurs.
  
  
  Consult Documentation: If you are unsure about the correct configuration, refer to the SAP documentation or guidelines for defining entities and their relationships.
  
  
  Seek Help from SAP Support: If the issue persists after checking the configurations, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Entity-Relationship Model: Understanding the principles of entity-relationship modeling can help in correctly defining entities and their relationships.
  SAP Documentation: Refer to the specific SAP module documentation related to the data model you are working with for more detailed guidelines.
  Community Forums: SAP Community and other forums can be useful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify and correct the cause of the SDDL_PARSER_MSG228 error in your SAP system.