How To Fix /SAPAPO/LOC131 - Logical system (old) and logical system (new) are identical

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/LOC -

• Message number: 131

• 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/LOC131 - Logical system (old) and logical system (new) are identical ?

  The SAP error message /SAPAPO/LOC131 indicates that there is an issue with the logical systems being used in the context of 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 the context of certain operations, such as when trying to change or update a logical system in the system configuration.
  Cause:
  This error typically occurs in the following scenarios:
  
  Logical System Configuration: When you attempt to change the logical system in a configuration or master data setting, and the old logical system is the same as the new logical system.
  Data Transfer: When transferring data between systems, if the source and target logical systems are the same, this error can arise.
  System Copy or Migration: If a system copy or migration is performed and the logical system names are not updated correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Logical System Names:
  
  Verify the logical system names in the configuration settings. Ensure that the old and new logical system names are indeed different.
  
  
  
  Update Logical System:
  
  If you are trying to change the logical system, ensure that you are specifying a different logical system name that does not match the existing one.
  
  
  
  Review Configuration:
  
  Go to the transaction code SPRO and navigate to the relevant configuration settings for logical systems. Check the settings under:
  
  SAP APO > Master Data > Define Logical Systems
  
  
  Ensure that the logical systems are correctly defined and that there are no duplicates.
  
  
  
  Data Transfer Settings:
  
  If you are performing data transfers, ensure that the source and target logical systems are different. Adjust the settings accordingly.
  
  
  
  System Copy or Migration:
  
  If this error occurred after a system copy or migration, review the logical system settings in the new system. You may need to update the logical system names to reflect the new environment.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to logical systems and APO configuration for additional guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SPRO (to access the configuration settings)
  SCC4 (to check client settings)
  RSCUSTV10 (to check and maintain logical system settings)
  
  
  
  SAP Notes: 
  
  Check for any relevant SAP Notes that may address specific issues related to logical systems and APO.
  
  
  
  Support: 
  
  If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  By ensuring that the logical system names are distinct and correctly configured, you should be able to resolve the /SAPAPO/LOC131 error.