How To Fix FIN_CFIN_RFC003 - Only one leading system is valid

FIN_CFIN_RFC003 - Overview

• Message type: E = Error

• Message class: FIN_CFIN_RFC - For RFC usage on source system

• Message number: 003

• Message text: Only one leading system is valid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FIN_CFIN_RFC003 - Only one leading system is valid ?

  The SAP error message FIN_CFIN_RFC003: "Only one leading system is valid" typically occurs in the context of Central Finance (CFIN) implementations. This error indicates that there is an issue with the configuration of the leading systems in your Central Finance setup. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Multiple Leading Systems: The error suggests that there are multiple systems configured as leading systems in the Central Finance setup, which is not allowed. Only one system can be designated as the leading system for financial postings.
  
  Configuration Issues: There may be inconsistencies or misconfigurations in the Central Finance settings, particularly in the RFC connections or system landscape configuration.
  Data Replication Issues: If there are issues with data replication or if the system is trying to replicate data from multiple leading systems, this error can occur.
  
  
  Solution:
  
  
  Check Leading System Configuration:
  
  Go to the Central Finance configuration in the SAP system (transaction code SPRO).
  Navigate