How To Fix IHC314 - External reference &1 &2 &3 is not unique

IHC314 - Overview

• Message type: E = Error

• Message class: IHC - IHC Messages

• Message number: 314

• Message text: External reference &1 &2 &3 is not unique

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 IHC314 - External reference &1 &2 &3 is not unique ?

  The SAP error message IHC314, which states "External reference &1 &2 &3 is not unique," typically occurs in the context of the SAP Intercompany Financial Management (IHC) module. This error indicates that there is a problem with the uniqueness of an external reference in the system, which is crucial for processing intercompany transactions.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Duplicate External References: The external reference (which could be a document number, invoice number, or any identifier) is not unique across the relevant tables or records in the system. This can happen if the same reference is used for multiple transactions.
  
  Configuration Issues: There may be issues with the configuration of the intercompany settings, leading to conflicts in how external references are handled.
  Data Entry Errors: Manual data entry errors can lead to the same external reference being entered multiple times.
  
  
  Solution:
  To resolve the IHC314 error, you can take the following