How To Fix RD662 - DataSource &1 already exists. Creation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: RD - CO-PA Connection to SAP BW

• Message number: 662

• Message text: DataSource &1 already exists. Creation not possible

What causes this issue?

DataSource &V1& cannot be created or overwritten because it is not
a CO-PA
hierarchy DataSource.

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?

Enter a different name or delete the existing
DataSource &V1&.

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 RD662 - DataSource &1 already exists. Creation not possible ?

  The SAP error message RD662 indicates that there is an attempt to create a DataSource that already exists in the system. This error typically occurs when you are trying to create a DataSource in SAP BW (Business Warehouse) or SAP BW/4HANA, and the system detects that a DataSource with the same name or identifier already exists.
  Cause:
  
  Duplicate DataSource: The most common cause is that a DataSource with the same name already exists in the system.
  Incorrect Naming: You might be trying to create a DataSource with a name that is already in use, either in the same system or in a different client.
  Transport Issues: If you are transporting objects between systems, a DataSource might have been transported and already exists in the target system.
  
  Solution:
  
  
  Check Existing DataSources: 
  
  Use transaction code RSA1 to access the Data Warehousing Workbench.
  Navigate to the DataSources section and check if the DataSource you are trying to create already exists.
  If it does exist, you may need to modify it instead of creating a new one.
  
  
  
  Rename the New DataSource: 
  
  If you need to create a new DataSource, consider using a different name that does not conflict with existing DataSources.
  
  
  
  Delete or Archive Existing DataSource: 
  
  If the existing DataSource is no longer needed, you can delete it (if permissible) or archive it, allowing you to create a new one with the same name.
  
  
  
  Check Transport Requests: 
  
  If you suspect that the DataSource was transported from another system, check the transport requests to see if it was included. You may need to adjust your transport strategy.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to DataSource creation for any specific guidelines or restrictions that may apply.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  RSD5: DataSource Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues or bugs related to DataSource creation.
  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 RD662 error and successfully manage your DataSources in SAP.