How To Fix RSOS_SEARCH025 - Join cardinality of condition &1 is different to condition &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOS_SEARCH -

• Message number: 025

• Message text: Join cardinality of condition &1 is different to condition &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS_SEARCH025 - Join cardinality of condition &1 is different to condition &2 ?

  The SAP error message RSOS_SEARCH025 indicates a discrepancy in the join cardinality between two conditions in a query. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with queries that involve multiple data sources or InfoProviders.
  Cause:
  The error arises when the cardinality (the relationship between two sets of data) of the conditions specified in the query does not match. For example, if one condition is expected to return a one-to-many relationship and the other is set up as a many-to-one relationship, the system will throw this error. This can happen due to:
  
  Inconsistent Data Model: The underlying data model may have been altered, leading to mismatched cardinalities.
  Incorrect Query Design: The query may have been designed incorrectly, with conditions that do not logically align.
  Changes in InfoObjects: If InfoObjects or InfoProviders have been modified or updated, it can lead to inconsistencies in cardinality.
  
  Solution:
  To resolve the RSOS_SEARCH025 error, you can take the following steps:
  
  
  Review the Query Design:
  
  Open the query in the Query Designer.
  Check the conditions and their cardinalities. Ensure that they logically align with the data model.
  
  
  
  Check the Data Model:
  
  Review the underlying InfoProviders and their relationships.
  Ensure that the cardinalities defined in the data model match the expected relationships in the query.
  
  
  
  Adjust Conditions:
  
  Modify the conditions in the query to ensure that they have compatible cardinalities. For example, if one condition is one-to-many, ensure that the other condition is also set up to handle that relationship.
  
  
  
  Test the Query:
  
  After making adjustments, test the query to ensure that it runs without errors.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or community forums for additional insights or similar cases.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Cardinality Types: Understand the different types of cardinalities (one-to-one, one-to-many, many-to-one, many-to-many) and how they apply to your data model.
  Query Performance: Mismatched cardinalities can also affect query performance, so it’s essential to ensure that they are correctly defined.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the cause of the RSOS_SEARCH025 error in your SAP environment.