How To Fix RSOSC102 - Please choose a unique source system

RSOSC102 - Overview

• Message type: E = Error

• Message class: RSOSC - Scoping framework

• Message number: 102

• Message text: Please choose a unique source system

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOSC102 - Please choose a unique source system ?

  The SAP error message RSOSC102, which states "Please choose a unique source system," typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when you are trying to create or modify a data source or a data flow that requires a unique identification of the source system.
  
  Cause:
  The error is triggered when:
  
  Duplicate Source Systems: You are trying to select a source system that is already associated with another data source or data flow in the same context.
  Incorrect Configuration: There may be a misconfiguration in the source system settings or the data source settings that leads to ambiguity in identifying the source system.
  Multiple Entries: The system may have multiple entries for the same source system, causing confusion in the selection process.
  
  
  Solution:
  To resolve the RSOSC102 error, you can take the following steps:
  
  
  Check Source System Configuration:
  
  Go to the transaction code RSA1 (Data Warehousing Workbench).
  Navigate to the "Source Systems" section and review