How To Fix RSOS_SEARCH220 - TAB_ALIAS of left table of JOIN adjusted (old was &1, new is &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOS_SEARCH -

• Message number: 220

• Message text: TAB_ALIAS of left table of JOIN adjusted (old was &1, new is &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS_SEARCH220 - TAB_ALIAS of left table of JOIN adjusted (old was &1, new is &2) ?

  The SAP error message RSOS_SEARCH220 typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data model, particularly related to the use of joins in queries or data sources. The message indicates that the alias of the left table in a JOIN operation has been adjusted, which can happen due to changes in the underlying data model or inconsistencies in the query definition.
  Cause:
  
  Changes in Data Model: The underlying data model may have been modified, such as changes to InfoObjects, InfoProviders, or the structure of the data source.
  Inconsistent Aliases: The aliases used in the query may not match the current definitions in the data model, leading to discrepancies.
  Query Redefinition: If a query has been redefined or modified, it may not align with the current structure of the data sources it references.
  
  Solution:
  
  Check Data Model: Review the data model to ensure that all InfoObjects and InfoProviders are correctly defined and that there are no inconsistencies.
  Update Query: If the query has been modified, ensure that it reflects the current structure of the data model. This may involve updating the JOIN conditions or the aliases used in the query.
  Recreate the Query: In some cases, it may be easier to recreate the query from scratch to ensure that it aligns with the current data model.
  Check for Transport Issues: If the changes were transported from another system, ensure that all relevant objects were transported correctly and that there are no missing dependencies.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of BW you are using for any known issues or additional guidance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the data model and queries.
  Debugging: If necessary, use debugging tools to trace the execution of the query and identify where the alias adjustment is occurring.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.