How To Fix RSO_CTC118 - Target structure &1 of DS &2 already exists with different fields

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO_CTC - Message class for CTC related messages

• Message number: 118

• Message text: Target structure &1 of DS &2 already exists with different fields

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSO_CTC118 - Target structure &1 of DS &2 already exists with different fields ?

  The SAP error message RSO_CTC118 indicates that there is a conflict with the target structure of a DataSource (DS) in the context of SAP BW (Business Warehouse) or SAP BW/4HANA. Specifically, it means that the target structure you are trying to create or modify already exists, but it has different fields than what you are attempting to define.
  Cause:
  
  Existing Target Structure: The target structure for the DataSource already exists in the system, and it has a different set of fields or field definitions compared to what you are trying to create or modify.
  Inconsistent Metadata: There may be inconsistencies in the metadata definitions between the DataSource and the target structure, possibly due to changes made in the DataSource or the target InfoObject.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), there may be discrepancies in the structures due to incomplete or incorrect transport requests.
  
  Solution:
  
  
  Check Existing Structures: 
  
  Go to the Data Warehousing Workbench (transaction RSA1) and check the existing target structure for the DataSource in question. Compare the fields and their definitions with what you are trying to create.
  
  
  
  Modify the DataSource: 
  
  If the existing target structure is correct and you want to keep it, you may need to adjust your DataSource definition to match the existing structure.
  If you need to change the target structure, you may need to delete the existing structure (if it is not in use) or modify it to match the new definition.
  
  
  
  Recreate the Target Structure: 
  
  If the existing target structure is not needed, you can delete it and then recreate it with the desired fields. Be cautious with this approach, as it may affect existing data loads or reports.
  
  
  
  Check Transport Requests: 
  
  If the issue arose after a transport, ensure that all relevant objects were transported correctly and that there are no inconsistencies between the systems.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to this error message for any specific guidance or updates that may apply to your version of SAP BW.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSO2: DataSource Maintenance
  RSO3: DataSource Display
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the RSO_CTC118 error and ensure that your DataSource and target structures are aligned correctly.