How To Fix RSTRAN560 - Non-keys were selected for the semantic grouping

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 560

• Message text: Non-keys were selected for the semantic grouping

What causes this issue?

Non-keys were selected for the semantic grouping.

System Response

Selecting a non-key field for the grouping could result in poor
performance when loading.

How to fix this error?

Check whether to change the grouping so that only key characteristics of
the source are used for the grouping or whether there is an index for
the selected fields.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN560 - Non-keys were selected for the semantic grouping ?

  The SAP error message RSTRAN560, which states "Non-keys were selected for the semantic grouping," typically occurs in the context of SAP BW (Business Warehouse) when you are trying to create or modify a query or a data model that involves semantic grouping. This error indicates that the system has detected that non-key fields (i.e., fields that are not part of the primary key of the data model) have been included in a semantic grouping, which is not allowed.
  Cause:
  
  Inclusion of Non-Key Fields: The primary cause of this error is that you have included fields in the semantic grouping that are not defined as key fields in the underlying data model (e.g., InfoObject, InfoCube, or DataStore Object).
  Incorrect Query Design: The query design may not adhere to the rules of semantic grouping, which require that only key fields be used in certain contexts.
  
  Solution:
  To resolve the RSTRAN560 error, you can follow these steps:
  
  
  Review the Query Design:
  
  Open the query in the Query Designer.
  Check the semantic grouping settings and identify which fields are included in the grouping.
  
  
  
  Remove Non-Key Fields:
  
  Remove any non-key fields from the semantic grouping. Ensure that only key fields are included in the grouping.
  
  
  
  Check InfoObject Definitions:
  
  Verify the definitions of the InfoObjects involved in the query. Ensure that the fields you are trying to use as key fields are indeed defined as key fields in the InfoObject settings.
  
  
  
  Revalidate the Query:
  
  After making the necessary adjustments, revalidate the query to ensure that the error has been resolved.
  
  
  
  Test the Query:
  
  Execute the query to confirm that it runs without errors and returns the expected results.
  
  
  
  Related Information:
  
  Semantic Grouping: In SAP BW, semantic grouping is used to group fields logically for reporting purposes. It is important to adhere to the rules regarding which fields can be included in these groups.
  Key Fields: Key fields are those that uniquely identify records in a data model. They are essential for ensuring data integrity and proper aggregation in reporting.
  SAP Notes and Documentation: If you continue to experience issues, consider checking SAP Notes or the official SAP documentation for additional guidance or updates related to this error.
  
  By following these steps, you should be able to resolve the RSTRAN560 error and successfully work with your SAP BW queries.