How To Fix RS_B4H_PREPARE_APD062 - DataSource with name '&1' already exists.

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_B4H_PREPARE_APD - Message class for APD transfer prepare package

• Message number: 062

• Message text: DataSource with name '&1' already exists.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_B4H_PREPARE_APD062 - DataSource with name '&1' already exists. ?

  The SAP error message RS_B4H_PREPARE_APD062 indicates that there is an attempt to create or register a DataSource with a name that already exists in the system. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when working with data extraction or data modeling.
  Cause:
  
  
  Duplicate DataSource Name: The most common cause of this error is that a DataSource with the specified name already exists in the system. This can happen if:
  
  You are trying to create a new DataSource with a name that has already been used.
  There was a previous attempt to create the DataSource that was not properly cleaned up or deleted.
  
  
  
  Transport Issues: If you are transporting objects between systems (e.g., from development to production), there may be conflicts if the DataSource already exists in the target system.
  
  
  System Configuration: Sometimes, system configuration issues or inconsistencies can lead to this error.
  
  
  Solution:
  
  
  Check Existing DataSources: 
  
  Go to the DataSource management area in SAP BW (transaction code RSA1).
  Search for the DataSource with the name specified in the error message.
  If it exists and is not needed, consider deleting or renaming it.
  
  
  
  Rename the New DataSource: If the existing DataSource is required, you can choose to rename the new DataSource you are trying to create to avoid the conflict.
  
  
  Transport Management: If this issue arises during a transport, ensure that the DataSource is not already present in the target system. You may need to adjust your transport requests accordingly.
  
  
  Check for Inactive Objects: Sometimes, inactive objects can cause conflicts. Check if there are any inactive versions of the DataSource that might be causing the issue.
  
  
  System Cleanup: If you suspect that there are inconsistencies in the system, consider performing a system cleanup or consistency check.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  RSC1: DataSource Maintenance
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Refer to SAP BW documentation for best practices on DataSource management and naming conventions.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation, as they may have access to logs and additional tools to diagnose the problem.