How To Fix LT253 - Confirmation must be defined differently if several ext. systems exist

SAP Error Message - Details

• Message type: E = Error

• Message class: LT - LE-WM: View or Table Maintenance Error Messages

• Message number: 253

• Message text: Confirmation must be defined differently if several ext. systems exist

Self-Explanatory Message

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• What is the cause and solution for SAP error message LT253 - Confirmation must be defined differently if several ext. systems exist ?

  The SAP error message LT253 ("Confirmation must be defined differently if several external systems exist") typically occurs in the context of warehouse management and logistics execution when there are multiple external systems involved in the confirmation process. This error indicates that the system is unable to determine how to handle confirmations due to the presence of multiple external systems.
  Cause:
  
  Multiple External Systems: The error arises when there are multiple external systems configured in the SAP environment, and the system cannot determine which one to use for processing confirmations.
  Configuration Issues: There may be a lack of proper configuration in the system regarding how confirmations should be handled when multiple external systems are present.
  Missing or Incorrect Settings: The settings for the confirmation process may not be correctly defined in the system, leading to ambiguity.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings for the external systems in the SAP system. Ensure that the confirmation process is clearly defined for each external system.
  
  Navigate to the relevant configuration settings in the SAP system (usually found in the Logistics Execution or Warehouse Management sections).
  Ensure that the confirmation settings are appropriately defined for each external system.
  
  
  
  Define Confirmation Process: If you have multiple external systems, you may need to define how confirmations should be processed for each system. This can involve:
  
  Specifying which external system should be used for confirmations in specific scenarios.
  Setting up rules or conditions that dictate how confirmations are handled based on the external system.
  
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on configuring confirmations in a multi-system environment. This can provide insights into best practices and common pitfalls.
  
  
  Testing: After making configuration changes, conduct thorough testing to ensure that the confirmation process works as expected across all external systems.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific system setup.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration) and LT03 (for transfer order confirmation) to navigate the system effectively.
  SAP Notes: Check for any SAP Notes related to error LT253, as they may provide specific fixes or updates that address this issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By addressing the configuration and ensuring clarity in the confirmation process for multiple external systems, you should be able to resolve the LT253 error.