How To Fix SDDL_PARSER_MSG069 - Combination of UNION and associations is not yet supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 069

• Message text: Combination of UNION and associations is not yet supported

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG069 - Combination of UNION and associations is not yet supported ?

  The SAP error message SDDL_PARSER_MSG069 indicates that there is an issue with the way you are trying to use a combination of UNION and associations in your SAP Data Dictionary or in your ABAP code. This error typically arises when you are attempting to create a view or a query that combines data from multiple sources using UNION while also trying to leverage associations, which is not supported in the current context.
  Cause:
  
  Union and Associations Conflict: The error occurs because the SAP system does not support the combination of UNION operations with associations in the same query or view definition. This is a limitation in the way the underlying data model is designed to handle these operations.
  View Definition: If you are defining a view in the ABAP Dictionary (SE11) or using CDS (Core Data Services) views, and you attempt to use both UNION and associations, the parser will throw this error.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Separate Queries: Instead of combining UNION and associations in a single query, break your logic into separate queries. You can first execute the UNION operation in one query and then handle associations in another query.
  
  
  Use Joins Instead of Associations: If possible, consider using joins instead of associations. Joins can often achieve similar results without running into the limitations of UNION and associations.
  
  
  Refactor the Data Model: If you have control over the data model, consider refactoring it to avoid the need for combining UNION and associations. This might involve creating additional views or restructuring your data.
  
  
  Check Documentation: Always refer to the latest SAP documentation or release notes for any updates or changes regarding the support for UNION and associations, as SAP continuously improves its products.
  
  
  Consult SAP Support: If the issue persists or if you need further assistance, consider reaching out to SAP support for guidance specific to your implementation.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide workarounds.
  ABAP Documentation: Review the ABAP documentation for best practices on using views, unions, and associations.
  Community Forums: Engage with the SAP community forums or SAP Community Network (SCN) for insights from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and successfully implement your data retrieval logic without running into the limitations of the SAP system.