How To Fix RSCOPY043 - A delta DTP between source and target already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCOPY - Data Flow Copy

• Message number: 043

• Message text: A delta DTP between source and target already exists

What causes this issue?

You want to create a new data transfer process (DTP) with extraction
mode <LS>Delta</>. A DTP with extraction mode <LS>Delta</> already
exists between the source and the target.

System Response

The new DTP can definitely be saved. However if the filter criteria
overlap with the filter criteria of the existing DTPs, the new DTP
cannot be activated.

How to fix this error?

Check whether it would be better to use or overwrite an existing DTP
instead.

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 RSCOPY043 - A delta DTP between source and target already exists ?

  The SAP error message RSCOPY043 indicates that there is already an existing delta Data Transfer Process (DTP) between the source and target in your SAP BW (Business Warehouse) system. This typically occurs when you attempt to create a new delta DTP for a data source that already has one defined.
  Cause:
  
  Existing Delta DTP: The primary cause of this error is that a delta DTP already exists for the specified source and target combination. SAP BW does not allow multiple delta DTPs for the same source-target pair to avoid conflicts and ensure data integrity.
  Configuration Issues: Sometimes, the error may arise due to misconfigurations or inconsistencies in the DTP settings.
  
  Solution:
  To resolve the RSCOPY043 error, you can take the following steps:
  
  
  Check Existing DTPs:
  
  Go to the Data Warehousing Workbench (transaction code RSA1).
  Navigate to the DTPs section and check for existing delta DTPs for the specific source and target.
  If you find an existing delta DTP that is not needed, you can delete or deactivate it.
  
  
  
  Modify Existing DTP:
  
  If the existing delta DTP is still required, consider modifying its settings instead of creating a new one. You can adjust parameters or settings as needed.
  
  
  
  Use a Full DTP:
  
  If you need to load data and the delta DTP is not suitable for your current requirements, consider using a full DTP instead. This will allow you to load all data from the source to the target.
  
  
  
  Check for Duplicates:
  
  Ensure that there are no duplicate entries in your DTP configuration that might be causing the conflict.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to DTPs for any specific guidelines or best practices that may apply to your scenario.
  
  
  
  Related Information:
  
  Delta DTP: A delta DTP is used to transfer only the changed data from the source to the target, which is more efficient than a full load.
  Data Transfer Process (DTP): DTPs are essential components in SAP BW for data extraction, transformation, and loading processes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSC3 (DataSource Monitor), and others for managing DTPs and data sources.
  
  By following these steps, you should be able to resolve the RSCOPY043 error and successfully manage your delta DTPs in SAP BW.