How To Fix DMC_IU051 - Data for export is already maintained in client &1

DMC_IU051 - Overview

• Message type: E = Error

• Message class: DMC_IU - DMC: Messages for Integrated Upgrade

• Message number: 051

• Message text: Data for export is already maintained in client &1

What causes this issue?

Data for an export is already maintained in the named client (ID of the
Upgrade Transports or of a piecelist)

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_IU051 - Data for export is already maintained in client &1 ?

  The SAP error message DMC_IU051 indicates that there is an issue with data export in the context of SAP Data Migration Cockpit (DMC). Specifically, the message states that "Data for export is already maintained in client &1," which means that the system has detected that the data you are trying to export has already been entered or maintained in the specified client.
  
  Cause:
  
  Duplicate Data: The data you are attempting to export has already been processed or entered in the target client.
  Incorrect Client: You may be trying to export data to a client where the data already exists.
  Incomplete Data Deletion: Previous attempts to delete or modify the data may not have been completed successfully, leading to residual data that conflicts with the current export.
  
  
  Solution:
  
  Check Existing Data: Verify if the data you are trying to export already exists in the target client. You can do this by querying the relevant tables or using