How To Fix 56_CORE772 - ALE receiver determination failed, receiver not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: 56_CORE - Class for Core Parts of Travel Management

• Message number: 772

• Message text: ALE receiver determination failed, receiver not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 56_CORE772 - ALE receiver determination failed, receiver not unique ?

  The SAP error message 56_CORE772 indicates that there is an issue with the receiver determination in the Application Link Enabling (ALE) framework. This error occurs when the system is unable to uniquely identify a receiver for a message being sent, which can happen in scenarios involving IDocs or other ALE communications.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Multiple Receivers: There are multiple potential receivers defined for the same message type, and the system cannot determine which one to use.
  Incorrect Configuration: The configuration for the logical systems, distribution model, or partner profiles may be incorrect or incomplete.
  Missing or Incorrect Filter Criteria: The filter criteria used for determining the receiver may not be specific enough, leading to ambiguity.
  Changes in the Distribution Model: If there have been recent changes to the distribution model or logical systems, it may lead to inconsistencies.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check the Distribution Model:
  
  Go to transaction BD64 (Distribution Model) and verify the settings. Ensure that the message type is correctly assigned to the appropriate logical systems.
  Make sure that there are no duplicate entries for the same message type and logical system combination.
  
  
  
  Review Partner Profiles:
  
  Use transaction WE20 to check the partner profiles for the logical systems involved. Ensure that the correct message types are configured and that there are no conflicting settings.
  
  
  
  Examine Logical Systems:
  
  Ensure that the logical systems are correctly defined in transaction SALE (Logical System) and that they are properly assigned to the relevant clients.
  
  
  
  Check Filter Criteria:
  
  If you are using filter criteria for the receiver determination, ensure that they are specific enough to avoid ambiguity. You may need to refine the criteria to ensure a unique match.
  
  
  
  Debugging:
  
  If the issue persists, you may need to debug the ALE processing to identify where the receiver determination is failing. This can provide insights into why multiple receivers are being considered.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to ALE and IDoc processing for any additional guidance or known issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  BD64: Distribution Model
  WE20: Partner Profiles
  SALE: Logical System Configuration
  WE02: IDoc Display for monitoring IDocs
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  ALE/IDoc Documentation: Familiarize yourself with the ALE/IDoc framework in SAP to better understand how receiver determination works.
  
  By following these steps, you should be able to identify and resolve the issue causing the 56_CORE772 error in your SAP system.