How To Fix /EACC/DMB003 - InfoSource &2 already created with DataSource &3

/EACC/DMB003 - Overview

• Message type: E = Error

• Message class: /EACC/DMB -

• Message number: 003

• Message text: InfoSource &2 already created with DataSource &3

Self-Explanatory Message

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/EACC/DMB003 - Details

• The SAP error message /EACC/DMB003 InfoSource &2 already created with DataSource &3 typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when you are trying to create or activate an InfoSource that has already been defined in the system with the same DataSource.
  
  Cause:
  
  Duplicate InfoSource: The error indicates that an InfoSource with the same name (represented by &2) already exists in the system and is associated with the specified DataSource (represented by &3).
  DataSource Already Linked: The DataSource you are trying to use is already linked to an existing InfoSource, which prevents the creation of a new one with the same identifiers.
  
  
  Solution:
  
  
  Check Existing InfoSources: 
  
  Go to the InfoSource maintenance transaction (e.g., RSA1) and check if the InfoSource with the name &2 already exists.
  If it does, you can either use the existing InfoSource or modify it as needed.
  
  
  
  Use a Different Name: 
  
  If you need to create a new InfoSource,