How To Fix DDLS_HIER063 - Parameter Name &1 not unique in Entity &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS_HIER - Used for DDL Hierarchies

• Message number: 063

• Message text: Parameter Name &1 not unique in Entity &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS_HIER063 - Parameter Name &1 not unique in Entity &2 ?

  The SAP error message DDLS_HIER063 indicates that there is a problem with the uniqueness of a parameter name within a specific entity in the context of a hierarchical structure, such as a data model or a database table. This error typically arises when you are trying to define or modify a hierarchical structure, and the system detects that the parameter name you are using is not unique within the specified entity.
  Cause:
  
  Duplicate Parameter Names: The most common cause of this error is that there are multiple parameters with the same name defined within the same entity. This can happen if you are trying to create or modify a structure and inadvertently use the same name for different parameters.
  Incorrect Configuration: Sometimes, the error can arise from incorrect configuration or setup of the entity, leading to conflicts in parameter naming.
  Data Model Issues: If you are working with a complex data model, there may be issues with how the parameters are defined or inherited from parent entities.
  
  Solution:
  
  Check Parameter Names: Review the parameters defined in the entity specified in the error message. Ensure that all parameter names are unique. If you find duplicates, rename them to ensure uniqueness.
  Modify the Entity: If you are modifying an existing entity, ensure that the changes you are making do not introduce duplicate parameter names.
  Review Hierarchical Structure: If the entity is part of a hierarchical structure, check the parent and child entities to ensure that there are no naming conflicts.
  Use Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to inspect the definitions of the entities and parameters.
  Consult Documentation: If you are unsure about the naming conventions or the structure of the entity, refer to the SAP documentation or guidelines for best practices in defining parameters.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Testing: After making changes, test the entity to ensure that the error is resolved and that the hierarchical structure functions as expected.
  
  By following these steps, you should be able to resolve the DDLS_HIER063 error and ensure that your entity's parameters are correctly defined.