How To Fix RSOS_SEARCH021 - Join type of condition &1 is different to condition &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOS_SEARCH -

• Message number: 021

• Message text: Join type 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_SEARCH021 - Join type of condition &1 is different to condition &2 ?

  The SAP error message RSOS_SEARCH021 indicates that there is a mismatch in the join types of two conditions in a query or report. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when you are working with queries that involve multiple data sources or InfoProviders.
  Cause:
  The error arises when the join types of two conditions are not compatible. For example, if one condition is using an inner join and the other is using a left outer join, the system cannot process the query correctly because it cannot reconcile the different join types.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Conditions: Review the conditions in your query or report. Identify the join types being used for each condition.
  
  
  Align Join Types: Ensure that the join types for the conditions are the same. If one condition is using an inner join, change the other condition to also use an inner join, or vice versa.
  
  
  Modify the Query: If necessary, modify the query to ensure that all conditions are compatible. This may involve changing the structure of the query or the way data is being joined.
  
  
  Test the Query: After making changes, test the query to ensure that it runs without errors and returns the expected results.
  
  
  Consult Documentation: If you are unsure about how to change the join types or if the issue persists, consult the SAP documentation or reach out to your SAP support team for further assistance.
  
  
  Related Information:
  
  Join Types: Understanding the different types of joins (inner join, left outer join, right outer join, etc.) is crucial for troubleshooting this error.
  SAP BW Query Designer: Familiarize yourself with the SAP BW Query Designer, as it is the tool used to create and modify queries in SAP BW.
  Performance Considerations: Be aware that changing join types can impact the performance of your queries, so it’s important to test the performance after making changes.
  
  By following these steps, you should be able to resolve the RSOS_SEARCH021 error and ensure that your query runs smoothly.