How To Fix RSQBW482 - Not all tables are allowed to be selected as an outer join

SAP Error Message - Details

• Message type: E = Error

• Message class: RSQBW -

• Message number: 482

• Message text: Not all tables are allowed to be selected as an outer join

What causes this issue?

All available objects are marked with the indicator 'left outer join'.
This means that a correct join to the relevant database table cannot be
constructed.
At least one object in the InfoSet must have the indicator 'inner
Join'.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSQBW482 - Not all tables are allowed to be selected as an outer join ?

  The SAP error message RSQBW482 indicates that there is an issue with the selection of tables in a query where an outer join is being attempted. This error typically arises in the context of SAP BW (Business Warehouse) when you are trying to create or modify a query that involves outer joins between InfoProviders (like InfoCubes or DataStore Objects).
  Cause:
  The error occurs because not all tables involved in the outer join are compatible with this type of join operation. In SAP BW, certain tables or InfoProviders may not support outer joins due to their structure or the way data is stored. This can happen if:
  
  One of the tables is not designed to be used in an outer join.
  The join conditions are not properly defined.
  The InfoProviders involved have incompatible characteristics or key figures.
  
  Solution:
  To resolve the RSQBW482 error, you can take the following steps:
  
  
  Check Compatibility: Ensure that all tables or InfoProviders you are trying to join support outer joins. Review the documentation for each InfoProvider to confirm their compatibility.
  
  
  Review Join Conditions: Verify that the join conditions are correctly defined. Ensure that the fields used for joining are compatible and that the join logic makes sense.
  
  
  Modify Query Design: If certain tables cannot be used in an outer join, consider redesigning your query. You may need to:
  
  Use inner joins instead of outer joins where possible.
  Split the query into multiple parts and combine the results in a different way.
  
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates regarding this error.
  
  
  Testing: After making changes, test the query to ensure that it runs without errors and returns the expected results.
  
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for guidelines on joins and query design.
  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 aware that outer joins can impact performance, so consider the implications of your design choices on query performance.
  
  By following these steps, you should be able to identify the cause of the RSQBW482 error and implement a solution that allows your query to run successfully.