How To Fix R7088 - Source system &1 already exists in the list

R7088 - Overview

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 088

• Message text: Source system &1 already exists in the list

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 R7088 - Source system &1 already exists in the list ?

  The SAP error message R7088 indicates that there is an attempt to add a source system to a list (such as a logical system or a data source) that already exists. This typically occurs in scenarios involving data transfer, such as in SAP BW (Business Warehouse) or when configuring connections between different SAP systems.
  
  Cause:
  The error is caused by trying to add a source system that is already present in the configuration. This can happen due to:
  
  Duplicate entries in the configuration settings.
  An attempt to register a source system that has already been registered.
  Misconfiguration in the system settings or during data source setup.
  
  
  Solution:
  To resolve the R7088 error, you can follow these steps:
  
  
  Check Existing Source Systems:
  
  Go to the relevant transaction (e.g., RSA1 for BW) and check the list of existing source systems.
  Verify if the source system you are trying to add is already listed.
  
  
  
  Remove Duplicate Entries:
  
  If you find that the source system is