How To Fix RSAOLTP011 - The DataSource is already assigned to InfoSource &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAOLTP - Notifications in OLTP Source Environment

• Message number: 011

• Message text: The DataSource is already assigned to InfoSource &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAOLTP011 - The DataSource is already assigned to InfoSource & ?

  The SAP error message RSAOLTP011 indicates that a DataSource is already assigned to an InfoSource, which means that you cannot assign the same DataSource to another InfoSource. This is a common issue when working with SAP BW (Business Warehouse) and can occur during the process of data modeling or when trying to configure data extraction.
  Cause:
  
  Duplicate Assignment: The primary cause of this error is that the DataSource you are trying to assign is already linked to another InfoSource. In SAP BW, each DataSource can only be assigned to one InfoSource at a time.
  Configuration Error: There may be a misunderstanding in the configuration process, leading to attempts to assign the same DataSource to multiple InfoSources.
  
  Solution:
  To resolve the RSAOLTP011 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Go to the SAP BW system and check the existing assignments of the DataSource. You can do this by navigating to the DataSource in the Data Warehousing Workbench (transaction code RSA1).
  Look for the InfoSource to which the DataSource is currently assigned.
  
  
  
  Reassign or Modify:
  
  If you need to use the DataSource for a different InfoSource, you will need to remove the existing assignment first. This can be done by:
  
  Navigating to the InfoSource where the DataSource is currently assigned.
  Removing the DataSource from that InfoSource.
  
  
  After removing it, you can then assign the DataSource to the desired InfoSource.
  
  
  
  Create a New DataSource:
  
  If the DataSource needs to be used in multiple InfoSources and cannot be reassigned, consider creating a new DataSource that replicates the necessary extraction logic.
  
  
  
  Documentation and Naming Conventions:
  
  Ensure that you have proper documentation and naming conventions in place to avoid confusion in the future. This can help prevent similar issues from arising.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench, where you can manage DataSources and InfoSources.
  RSD1: InfoObject maintenance, useful for checking InfoObjects related to your DataSource.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error.
  
  
  SAP Community: Engaging with the SAP Community forums can provide additional context and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the RSAOLTP011 error and successfully manage your DataSource assignments in SAP BW.