How To Fix GS126 - Set &1: Variable &2 either does not exist or is not suitable

SAP Error Message - Details

• Message type: E = Error

• Message class: GS - Sets

• Message number: 126

• Message text: Set &1: Variable &2 either does not exist or is not suitable

What causes this issue?

The <DS:GLOS.3526BA3DAFAB52B9E10000009B38F974>set</> &V1& contains the
<DS:GLOS.3526BA42AFAB52B9E10000009B38F974>variable</> &V2&. This
variable
Does not exist, or
Is not compatible with the characteristic of the set
Has a category that is not allowed in the set.

How to fix this error?

Change the set &V1& in transaction <DS:TRAN.GS02>GS02</>.
If this error occurs when you import a transport request, check the set
&V1& in the source system of the transport.
If the set does not contain errors there (if you can save it without
receiving an error message), you need to transport the set &V1& with
its dependent objects to remove the error.
If the set there contains errors, correct the error in the source
system of the transport and then run a new transport.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GS126 - Set &1: Variable &2 either does not exist or is not suitable ?

  The SAP error message GS126, which states "Set &1: Variable &2 either does not exist or is not suitable," typically occurs in the context of reporting or analysis when a variable used in a set is either not defined or is not appropriate for the operation being performed. This error can arise in various SAP modules, particularly in SAP BW (Business Warehouse) or SAP BI (Business Intelligence) environments.
  Causes:
  
  Non-existent Variable: The variable specified in the error message does not exist in the system. This could be due to a typo or because the variable has not been created or activated.
  Incompatible Variable: The variable exists but is not suitable for the context in which it is being used. For example, it may not be compatible with the data source or the type of query being executed.
  Authorization Issues: The user may not have the necessary authorizations to access the variable or the set it is part of.
  Data Source Changes: If the underlying data source has changed (e.g., fields have been removed or renamed), the variable may no longer be valid.
  Incorrect Set Definition: The set itself may be incorrectly defined, leading to the variable being deemed unsuitable.
  
  Solutions:
  
  Check Variable Existence: Verify that the variable specified in the error message exists in the system. You can do this by navigating to the relevant InfoObject or query definition in the SAP BW/BI system.
  Review Variable Properties: Ensure that the variable is suitable for the context in which it is being used. Check its properties, such as data type and value range, to confirm compatibility.
  Authorization Check: Ensure that the user has the necessary authorizations to access the variable and the associated data sets.
  Update Data Sources: If there have been changes to the data source, update the variable definition accordingly. This may involve re-mapping fields or adjusting the variable settings.
  Correct Set Definition: Review the definition of the set to ensure that it is correctly configured and that all variables used within it are valid and suitable.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the variable and set in question.
  
  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 to common problems.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) or RSRT (Query Monitor) to investigate the issue further.
  Debugging: If you have access, consider debugging the query or report to identify where the error is occurring and gather more context about the variable and set in question.
  
  By following these steps, you should be able to identify the root cause of the GS126 error and implement an appropriate solution.