How To Fix /SAPAPO/LO1042 - Logical system (old) and logical system (new) are identical

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/LO1 -

• Message number: 042

• Message text: Logical system (old) and logical system (new) are identical

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/LO1042 - Logical system (old) and logical system (new) are identical ?

  The SAP error message /SAPAPO/LO1042 indicates that there is an issue with the logical systems being used in the context of a data transfer or configuration in SAP Advanced Planning and Optimization (APO). Specifically, the error states that the old logical system and the new logical system are identical, which is not allowed in certain operations, such as when trying to change the logical system for a data transfer.
  Cause:
  This error typically occurs in the following scenarios:
  
  Logical System Configuration: When you attempt to change the logical system in a configuration or data transfer process, and the old logical system is the same as the new logical system.
  Data Transfer: When you are trying to transfer data between systems and mistakenly specify the same logical system for both the source and target.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Logical System Configuration:
  
  Go to the transaction code SCC4 to check the logical system settings.
  Ensure that the logical systems are correctly defined and that you are not trying to set the same logical system as both the source and target.
  
  
  
  Modify the Logical System:
  
  If you are trying to change the logical system, ensure that the new logical system is different from the old one. You may need to create a new logical system if necessary.
  
  
  
  Review Data Transfer Settings:
  
  If this error occurs during a data transfer, review the settings in the relevant transaction (e.g., CIF for Core Interface) to ensure that the source and target logical systems are correctly specified and are different.
  
  
  
  Check Customizing Settings:
  
  If you are working with custom programs or configurations, ensure that the logic does not inadvertently set the same logical system for both old and new.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to logical systems and data transfer processes for additional guidance.
  
  
  
  Related Information:
  
  Logical Systems: In SAP, a logical system is a unique identifier for a system in a landscape. It is used in various processes, including data transfers and system integrations.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SCC4 (to manage logical systems) and CIF (for Core Interface settings).
  SAP Notes: Check SAP Notes for any known issues or additional troubleshooting steps related to this error message.
  
  By following these steps, you should be able to resolve the /SAPAPO/LO1042 error and ensure that your logical system configurations are set up correctly.