How To Fix GS509 - A subordinate set has a different set class.

SAP Error Message - Details

• Message type: E = Error

• Message class: GS - Sets

• Message number: 509

• Message text: A subordinate set has a different set class.

What causes this issue?

A single set can only contain sets that belong to the same
<DS:DE.SETCLASS>Set class</>. The system tried to create single set
&v1& which contains subordinate set &v2&. Both sets belong to different
<DS:DE.SETCLASS>Set classes</>.

System Response

The set is not created.

How to fix this error?

Select only sets of the same class as subordinate sets of a single set.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GS509 - A subordinate set has a different set class. ?

  The SAP error message GS509, which states "A subordinate set has a different set class," typically occurs in the context of SAP's classification system, particularly when dealing with classification hierarchies or sets of characteristics.
  Cause:
  This error arises when you are trying to create or modify a classification set (or a subordinate set) that is expected to belong to a specific set class, but it is instead associated with a different set class. This can happen due to:
  
  Inconsistent Set Class: The subordinate set you are trying to link or create does not match the expected set class of the parent set.
  Incorrect Configuration: There may be a misconfiguration in the classification settings or the way sets are defined in the system.
  Data Entry Error: An error in data entry where the wrong set class is assigned to a subordinate set.
  
  Solution:
  To resolve the GS509 error, you can take the following steps:
  
  
  Check Set Class Configuration:
  
  Verify the set class of the parent set and the subordinate set. Ensure that they are compatible and belong to the same set class.
  You can do this by navigating to the classification settings in SAP and reviewing the definitions of the sets involved.
  
  
  
  Modify the Subordinate Set:
  
  If the subordinate set is incorrectly classified, you may need to change its set class to match that of the parent set. This can usually be done in the classification management area.
  
  
  
  Review Hierarchy Structure:
  
  Ensure that the hierarchy structure is correctly defined. If you are working with a classification hierarchy, make sure that all subordinate sets are correctly linked and classified.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on classification and set management. This can provide insights into how to properly configure sets and their classes.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the configurations, consider reaching out to SAP support for assistance. They can provide more specific guidance based on your system's configuration.
  
  
  
  Related Information:
  
  SAP Classification System: Understanding how the classification system works in SAP can help prevent such errors. Familiarize yourself with the concepts of classes, characteristics, and sets.
  Transaction Codes: You may use transaction codes like CL02 (Change Class), CL03 (Display Class), or CL30 (Display Class Hierarchy) to manage and review classification settings.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve underlying issues.
  
  By following these steps, you should be able to identify the cause of the GS509 error and implement a solution to resolve it.