How To Fix EM116 - Error during processing of legacy system key &1: message not found

EM116 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 116

• Message text: Error during processing of legacy system key &1: message not found

CAUSE&
An error occurred while the data from legacy system key &V1& was being
processed. The error was identified after transaction &V2& was carried
out.
This can have one of the following causes:
The message entered as the return field for BDC migration object &V3&
was not found.
Message variable &V4& is intial

System Response

Processing of the import file was cancelled because the system assumes
that an incorrect message was entered as the return field for the BDC
migration object.

How to fix this error?

Check the message you entered and the message variable for the
transaction.

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 EM116 - Error during processing of legacy system key &1: message not found ?

  The SAP error message EM116, which states "Error during processing of legacy system key &1: message not found," typically occurs during data migration or integration processes, particularly when dealing with legacy systems. This error indicates that the system is unable to find a specific message or entry associated with the legacy system key provided.
  Causes:
  
  Missing Data: The legacy system key referenced in the error may not exist in the database or the relevant table.
  Incorrect Configuration: There may be a misconfiguration in the data migration settings or mapping that leads to the system not being able to locate the required message.
  Data Inconsistency: The data being migrated may have inconsistencies or errors that prevent the system from processing it correctly.
  Transport Issues: If the data or configuration was transported from another system, there may have been issues during the transport process that led to missing entries.
  
  Solutions:
  
  Check Legacy System Key: Verify that the legacy system