How To Fix /EACC/DMB023 - DataSource &1 and InfoSource &2 have already been created

/EACC/DMB023 - Overview

• Message type: E = Error

• Message class: /EACC/DMB -

• Message number: 023

• Message text: DataSource &1 and InfoSource &2 have already been created

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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/EACC/DMB023 - Details

• The SAP error message /EACC/DMB023 indicates that there is an attempt to create a DataSource and InfoSource that already exist in the system. This error typically arises during the process of data extraction or when setting up data sources in SAP BW (Business Warehouse) or SAP ECC (Enterprise Central Component).
  
  Cause:
  
  
  Duplicate Creation: The most common cause of this error is that the DataSource and InfoSource you are trying to create already exist in the system. This can happen if:
  
  The DataSource was previously created but not properly documented.
  There was an attempt to create the same DataSource multiple times.
  A transport request that included the DataSource was already imported into the target system.
  
  
  
  Incorrect Configuration: Sometimes, the configuration settings may lead to the system believing that a DataSource or InfoSource is being created when it already exists.
  
  
  
  Solution:
  
  
  Check Existing DataSources and InfoSources:
  
  Use transaction codes like RSA1 (Data Warehousing Workbench) or RSD1 (InfoObject Maintenance) to check if