How To Fix RSRTS_CDS243 - Parameter &1 is used in too many different contexts (maximum is &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 243

• Message text: Parameter &1 is used in too many different contexts (maximum is &2)

What causes this issue?

In a CDS view annotated with "@Analytics.query: true" (i.e. the CDS View
is used for generation of a BW query), parameter &V1& is used in the
"where" clause to link with too many different fields in the view.

System Response

A parameter can restrict limited different contexts. The system cannot
generate a BW query based on the CDS view if it is used more than &V2&
times.

How to fix this error?

User the parameter fewer times.

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 RSRTS_CDS243 - Parameter &1 is used in too many different contexts (maximum is &2) ?

  The SAP error message RSRTS_CDS243 indicates that a parameter is being used in too many different contexts within a calculation view or a query. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with Calculation Views or Composite Providers.
  Cause:
  The error arises when a parameter is defined in a way that it is being referenced in more contexts than allowed. Each parameter can only be used in a limited number of contexts (as specified by the maximum limit, which is indicated by the second part of the error message). This is often due to:
  
  Overuse of Parameters: The same parameter is being used in multiple places (e.g., filters, calculations, or joins) beyond the allowed limit.
  Complex Query Design: The design of the query or calculation view is too complex, leading to excessive context usage for a single parameter.
  Incorrect Parameter Configuration: The parameter might not be configured correctly, leading to unintended multiple contexts.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Parameter Usage: Check where the parameter is being used in your calculation view or query. Identify all the contexts in which it is referenced.
  
  
  Reduce Context Usage: Try to minimize the number of contexts in which the parameter is used. This could involve:
  
  Consolidating logic to use the parameter in fewer places.
  Creating separate parameters for different contexts if necessary.
  Simplifying the query or calculation view design.
  
  
  
  Refactor the Calculation View: If the calculation view is too complex, consider breaking it down into smaller, more manageable views or using intermediate views to handle specific logic.
  
  
  Check Documentation: Refer to SAP documentation or community forums for best practices on parameter usage in calculation views and queries.
  
  
  Testing: After making changes, test the calculation view or query to ensure that it runs without errors and returns the expected results.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  Performance Considerations: Be mindful of performance implications when refactoring views or queries, as changes can impact execution time and resource usage.
  
  By following these steps, you should be able to resolve the RSRTS_CDS243 error and optimize your SAP BW or HANA queries.