How To Fix 56773 - ALE receiver determination failed, no RFC destination maintained

56773 - Overview

• Message type: E = Error

• Message class: 56 - HR TRAVEL: Messages for Trip Costs Dialog

• Message number: 773

• Message text: ALE receiver determination failed, no RFC destination maintained

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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56773 - Details

• The SAP error message "56773 ALE receiver determination failed, no RFC destination maintained" typically occurs in the context of Application Link Enabling (ALE) when the system is unable to determine the appropriate receiver for a message due to a missing or incorrectly configured Remote Function Call (RFC) destination.
  
  Cause:
  
  Missing RFC Destination: The most common cause is that the RFC destination for the target system is not defined in the SAP system.
  Incorrect Configuration: The RFC destination may be defined but not correctly configured, leading to communication issues.
  Logical System Not Defined: The logical system for the receiver may not be defined in the ALE configuration.
  Transport Layer Issues: There may be issues with the transport layer that prevent the system from reaching the target system.
  
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 to check the RFC destinations.
  Ensure that the RFC destination for the target system is created and configured correctly.
  Test the connection to ensure it