How To Fix RU531 - Confirmation with external key &1 not found

RU531 - Overview

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 531

• Message text: Confirmation with external key &1 not found

What causes this issue?

You tried to uniquely identify a confirmation by specifying external key
&V1&. However, this was not possible. Possible reasons for this are as
follows:
The system does not know of a confirmation with the specified external
key &V1&.
External key &V1& has been assigned to several confirmations.

How to fix this error?

A confirmation can be identified by entering the confirmation number
combined with the confirmation counter. A confirmation is uniquely
identified in the system using this field combination.

Error message extract from SAP system. Copyright SAP SE.

RU531 - Details

• The SAP error message RU531, which states "Confirmation with external key &1 not found," typically occurs in the context of production order confirmations or goods movements where the system is unable to locate a confirmation record associated with a specific external key. This can happen in various scenarios, such as when integrating with external systems or when there are issues with data consistency.
  Causes:
  
  Missing Confirmation Record: The confirmation record that corresponds to the external key does not exist in the system.
  Incorrect External Key: The external key provided may be incorrect or not formatted properly.
  Data Deletion: The confirmation record may have been deleted or archived, making it unavailable for retrieval.
  Integration Issues: If the system is integrated with external applications, there may be issues in data transfer or synchronization.
  Authorization Issues: The user may not have the necessary permissions to view or access the confirmation records.
  
  Solutions:
  
  Verify External Key: Check the external key being used