How To Fix 26187 - RFC connection to source system & is not defined

26187 - Overview

• Message type: E = Error

• Message class: 26 - Dokumentenverwaltung

• Message number: 187

• Message text: RFC connection to source system & is not defined

What causes this issue?

An attempt has been made to reach the sending system via RFC. This is
necessary in case the document originals are distributed via ALE.

System Response

The system tries to create an RFC link to the sending system. This link
could not be established.

How to fix this error?

Check the RFC link to the sending system.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 26187 - RFC connection to source system & is not defined ?

  The SAP error message "26187 RFC connection to source system & is not defined" typically indicates that there is an issue with the Remote Function Call (RFC) connection configuration between the SAP system you are working in and the source system you are trying to connect to. This error can occur in various scenarios, such as when trying to execute a remote function module or when performing data transfers.
  
  Cause:
  
  Missing RFC Destination: The specified RFC destination (the source system) is not defined in the SAP system you are working in.
  Incorrect Configuration: The RFC destination may be incorrectly configured, leading to connection issues.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  Network Issues: There may be network connectivity issues preventing the connection to the source system.
  System Configuration: The source system may not be properly configured to accept RFC connections.
  
  
  Solution:
  
  
  Define the RFC Destination:
  
  Go to transaction code SM59