How To Fix 56_CORE771 - ALE receiver determination failed, error in ALE Customizing

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 771

• Message text: ALE receiver determination failed, error in ALE Customizing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 56_CORE771 - ALE receiver determination failed, error in ALE Customizing ?

  The SAP error message 56_CORE771 indicates that there is an issue with the ALE (Application Link Enabling) receiver determination process. This error typically arises when the system is unable to determine the appropriate receiver for an ALE message based on the configuration settings. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Missing or Incorrect ALE Configuration: The ALE configuration for the message type or logical system may not be set up correctly.
  Logical System Not Defined: The logical system for the sender or receiver may not be defined in the system.
  Message Type Not Mapped: The message type being sent may not have a corresponding mapping in the ALE configuration.
  Partner Profile Issues: The partner profile for the sender or receiver may not be correctly configured or may be missing.
  Transport Layer Issues: There may be issues with the transport layer settings that prevent the message from being routed correctly.
  
  Solutions:
  
  
  Check ALE Configuration:
  
  Go to transaction WE20 (Partner Profiles) and ensure that the partner profiles for both the sender and receiver are correctly configured.
  Verify that the message type is correctly defined in the partner profiles.
  
  
  
  Verify Logical Systems:
  
  Ensure that the logical systems are defined in transaction SALE (ALE Configuration) under "Logical System" settings.
  Check that the logical systems are correctly assigned to the appropriate clients.
  
  
  
  Review Message Type Mapping:
  
  In transaction WE81 (Message Types), ensure that the message type you are trying to send is correctly defined and mapped to the appropriate IDoc type.
  
  
  
  Check Distribution Model:
  
  Use transaction BD64 to check the distribution model and ensure that the message type is included in the model and that the sender and receiver are correctly defined.
  
  
  
  Partner Profile Settings:
  
  In transaction WE20, check the settings for the partner profiles, including the outbound parameters and the message types that are allowed.
  
  
  
  Transport Layer Configuration:
  
  Ensure that the transport layer settings are correctly configured in transaction SALE under "Transport Layer".
  
  
  
  Check for Errors in Logs:
  
  Use transaction SLG1 to check for any error logs related to ALE processing that might provide more context on the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE20: Partner Profiles
  WE81: Message Types
  BD64: Distribution Model
  SALE: ALE Configuration
  SLG1: Application Log
  
  
  
  Documentation: Refer to SAP Help documentation for ALE and IDoc processing for detailed configuration steps and best practices.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to identify and resolve the cause of the 56_CORE771 error in your SAP system. If the issue persists, consider reaching out to SAP support for further assistance.