How To Fix 56_CORE773 - ALE receiver determination failed, no RFC destination maintained

56_CORE773 - Overview

• Message type: E = Error

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

• 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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56_CORE773 - Details

• The SAP error message 56_CORE773 indicates that there is an issue with the Application Link Enabling (ALE) configuration, specifically related to the receiver determination process. This error typically occurs when the system is unable to find a suitable RFC (Remote Function Call) destination for the specified receiver in the ALE configuration.
  
  Cause:
  The error can be caused by several factors, including:
  
  Missing RFC Destination: The RFC destination for the target system is not defined in the SAP system.
  Incorrect Configuration: The ALE configuration may not be set up correctly, leading to the inability to determine the receiver.
  Logical System Not Defined: The logical system for the sender or receiver may not be defined or may not match the expected configuration.
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  Network Issues: There may be network connectivity issues preventing the system from reaching the target system.
  
  
  Solution:
  To resolve the error, you can follow