How To Fix RSAR201 - Source system & already exists.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 201

• Message text: Source system & already exists.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR201 - Source system & already exists. ?

  The SAP error message RSAR201 indicates that a source system you are trying to create or configure already exists in the system. This error typically occurs in the context of SAP BW (Business Warehouse) when you are trying to set up a new source system that has the same identifier as an existing one.
  Cause:
  
  Duplicate Source System: The most common cause of this error is that you are attempting to create a source system with a name or identifier that is already in use.
  Incorrect Configuration: There may be a misconfiguration in the source system settings, leading to conflicts.
  Transport Issues: If you are transporting configurations from one system to another, there may be a conflict with existing configurations.
  
  Solution:
  
  
  Check Existing Source Systems:
  
  Go to the transaction code RSA1 (Data Warehousing Workbench).
  Navigate to the "Source Systems" section and check the list of existing source systems to see if the one you are trying to create already exists.
  
  
  
  Modify or Delete Existing Source System:
  
  If the source system already exists and you need to make changes, you can modify the existing source system instead of creating a new one.
  If the existing source system is no longer needed, you can delete it (ensure that this is appropriate for your business needs).
  
  
  
  Use a Different Identifier:
  
  If you need to create a new source system, consider using a different name or identifier that does not conflict with existing ones.
  
  
  
  Check Transport Requests:
  
  If the error is related to transport requests, ensure that the transport does not contain duplicate entries for source systems.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to source system configuration for any specific guidelines or best practices.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSC1: Create Source System
  RSC2: Change Source System
  RSC3: Display Source System
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to source system configuration.
  
  
  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 RSAR201 error and successfully manage your source systems in SAP BW.