How To Fix /EACC/DMM077 - DataSource &1 is being used more than once

/EACC/DMM077 - Overview

• Message type: E = Error

• Message class: /EACC/DMM -

• Message number: 077

• Message text: DataSource &1 is being used more than once

Self-Explanatory Message

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/EACC/DMM077 - Details

• The SAP error message /EACC/DMM077 DataSource &1 is being used more than once typically occurs in the context of data extraction or data modeling, particularly when working with SAP Data Services or SAP BW (Business Warehouse). This error indicates that the specified DataSource is being referenced multiple times in a way that is not allowed.
  
  Cause:
  
  Multiple Usage: The DataSource is being used in multiple places (e.g., in multiple data flows, transformations, or data models) where it is expected to be unique.
  
  Configuration Issues: There may be a configuration issue in the data model or data flow that leads to the DataSource being referenced more than once.
  Incorrect Mapping: The DataSource might be incorrectly mapped in the data flow or transformation logic.
  
  
  Solution:
  
  Check DataSource Usage: Review the data model or data flow to identify where the DataSource is being used. Ensure that it is only referenced once in the context that is causing the error.
  Modify