DDLS803 - Namespace of DDL '&1' does not match namespace of ENTITYNAME '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 803

• Message text: Namespace of DDL '&1' does not match namespace of ENTITYNAME '&2'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS803 - Namespace of DDL '&1' does not match namespace of ENTITYNAME '&2' ?

  The SAP error message DDLS803 indicates a namespace mismatch between a Data Definition Language (DDL) object and the entity it is associated with. This typically occurs when you are trying to create or modify a DDL object (like a table, view, or other database object) that is expected to belong to a specific namespace, but the actual namespace of the object does not match the expected one.
  Cause:
  
  Namespace Mismatch: The DDL object you are trying to create or modify is in a different namespace than the entity it is associated with. For example, if you are trying to create a DDL object in a custom namespace but the entity is defined in a standard namespace (or vice versa), this error will occur.
  Incorrect Configuration: The system might be configured incorrectly, leading to a mismatch in expected namespaces.
  Transport Issues: If the DDL object was transported from one system to another, the namespaces might not align due to differences in system configurations.
  
  Solution:
  
  Check Namespaces: Verify the namespaces of both the DDL object and the entity. Ensure that they match. You can do this by checking the object properties in the ABAP Dictionary (SE11) or the relevant transaction.
  Adjust DDL Object: If the DDL object is in the wrong namespace, you may need to create it in the correct namespace or adjust the existing object to match the expected namespace.
  Review Transport Requests: If this issue arose after a transport, check the transport request to ensure that the objects were transported correctly and that their namespaces are consistent.
  Consult Documentation: Review SAP documentation or notes related to namespace management and DDL object creation to ensure compliance with best practices.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production issue.
  
  Related Information:
  
  Namespaces in SAP: SAP uses namespaces to organize objects and avoid naming conflicts. Custom development typically occurs in a customer namespace (e.g., /Z or /Y), while standard SAP objects reside in the standard namespace.
  ABAP Dictionary: Use transaction SE11 to view and manage database objects, including checking their namespaces.
  Transport Management System (TMS): Use transaction STMS to manage transports and ensure that objects are correctly transported between systems.
  
  By following these steps, you should be able to identify and resolve the cause of the DDLS803 error in your SAP environment.