How To Fix RSPLS_CR048 - Derivation cannot find any valid combinations

SAP Error Message - Details

• Message type: E = Error

• Message class: RSPLS_CR - Messages on Characteristic Relationships/Data Slices

• Message number: 048

• Message text: Derivation cannot find any valid combinations

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSPLS_CR048 - Derivation cannot find any valid combinations ?

  The SAP error message RSPLS_CR048, which states "Derivation cannot find any valid combinations," typically occurs in the context of SAP BW (Business Warehouse) when working with the derivation of characteristics in a query or when trying to derive values based on certain conditions. This error indicates that the system is unable to find any valid combinations of characteristics or values that meet the specified criteria for the derivation.
  Causes:
  
  
  Missing Master Data: The master data for the characteristics involved in the derivation may be incomplete or missing. If the system cannot find the necessary data, it cannot perform the derivation.
  
  
  Incorrect Derivation Rules: The derivation rules defined in the system may not be set up correctly. This could include incorrect conditions or mappings that do not correspond to the available data.
  
  
  Data Inconsistencies: There may be inconsistencies in the data, such as incorrect or missing values in the InfoObjects that are being used for the derivation.
  
  
  Filter Conditions: If there are filter conditions applied in the query or report that exclude all possible combinations, the system will not find any valid combinations.
  
  
  Hierarchy Issues: If the characteristics involved in the derivation are part of a hierarchy, and the hierarchy is not correctly defined or activated, it may lead to this error.
  
  
  Solutions:
  
  
  Check Master Data: Verify that all necessary master data is available and correctly maintained for the characteristics involved in the derivation. Ensure that there are no missing entries.
  
  
  Review Derivation Rules: Go through the derivation rules in the system to ensure they are correctly defined. Check for any logical errors or incorrect mappings.
  
  
  Data Consistency Check: Perform a data consistency check to identify any inconsistencies in the data. This can be done using transaction codes like RSA1 (Data Warehousing Workbench) to analyze the InfoObjects and their data.
  
  
  Adjust Filter Conditions: If applicable, review and adjust any filter conditions in the query or report to ensure they do not exclude all possible combinations.
  
  
  Hierarchy Verification: If hierarchies are involved, check that they are correctly defined and activated. Ensure that the hierarchy levels are correctly assigned and that the data adheres to the hierarchy structure.
  
  
  Debugging: If the issue persists, consider using the debugging tools available in SAP BW to trace the derivation process and identify where it fails to find valid combinations.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (InfoObject Maintenance), and RSPC (Process Chain Maintenance) for managing and troubleshooting data issues.
  SAP Notes: Check SAP Notes and Knowledge Base Articles (KBAs) related to RSPLS_CR048 for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation on derivation rules and master data management for best practices and guidelines.
  
  By following these steps, you should be able to identify the root cause of the RSPLS_CR048 error and implement the necessary solutions to resolve it.