How To Fix SR125 - Source system cannot be set to Unicode

SR125 - Overview

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 125

• Message text: Source system cannot be set to Unicode

What causes this issue?

The source system is a non-Unicode system. You cannot make a Unicode
setting for this connection in transaction SM59.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The source system can communicate with the target system only if it has
a non-Unicode setting.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SR125 - Details

• The SAP error message SR125, which states "Source system cannot be set to Unicode," typically occurs when there is an attempt to configure a source system in SAP BW (Business Warehouse) or SAP HANA that is not compatible with Unicode settings. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Non-Unicode Source System: The source system you are trying to connect to is a non-Unicode system. SAP BW can only connect to Unicode systems if the source system is also Unicode-enabled.
  Incorrect Configuration: There may be an incorrect configuration in the source system settings within the SAP BW system.
  Data Transfer Issues: If the data transfer method or the extraction method is not compatible with Unicode, this error may arise.
  
  Solutions:
  
  
  Check Source System Type:
  
  Verify if the source system is Unicode or non-Unicode. You can check this in the SAP GUI by going to the system status or using transaction code SE38 to