How To Fix MDG_COMM_ARRANGEMENT003 - Logical system &1 may only be entered for one business system

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_COMM_ARRANGEMENT - MDG Communication Arrangement

• Message number: 003

• Message text: Logical system &1 may only be entered for one business system

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_COMM_ARRANGEMENT003 - Logical system &1 may only be entered for one business system ?

  The SAP error message MDG_COMM_ARRANGEMENT003 indicates that a logical system (identified as &1 in the error message) has been entered for more than one business system in the Master Data Governance (MDG) configuration. This situation typically arises when there is a conflict in the assignment of logical systems to business systems, which is not allowed in SAP MDG.
  Cause:
  
  Duplicate Assignment: The logical system has been assigned to multiple business systems in the MDG configuration.
  Configuration Error: There may be an error in the configuration settings where the same logical system is mistakenly linked to more than one business system.
  Data Entry Error: During the setup or maintenance of business systems, the same logical system might have been entered multiple times.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Existing Assignments:
  
  Go to the MDG configuration settings and check the assignment of logical systems to business systems.
  Use transaction code MDGIMG to access the MDG Implementation Guide and navigate to the relevant configuration area.
  
  
  
  Identify Duplicates:
  
  Look for the logical system that is causing the error (the one indicated as &1 in the error message).
  Identify all business systems that are currently assigned to this logical system.
  
  
  
  Remove Duplicates:
  
  Decide which business system should retain the logical system assignment.
  Remove the logical system assignment from the other business systems to ensure that each logical system is uniquely assigned to one business system.
  
  
  
  Validate Changes:
  
  After making the necessary changes, validate the configuration to ensure that the error no longer occurs.
  You can test the configuration by attempting to perform the action that previously triggered the error.
  
  
  
  Documentation:
  
  Document the changes made for future reference and to prevent similar issues from occurring.
  
  
  
  Related Information:
  
  Logical Systems: In SAP, a logical system is a unique identifier for a system in a landscape. It is used in various configurations, including data distribution and integration scenarios.
  Business Systems: These are representations of systems in the SAP landscape that are used in various processes, including data governance and master data management.
  MDG Configuration: Master Data Governance requires careful configuration to ensure that data integrity is maintained across systems. Regular audits of system assignments can help prevent such errors.
  
  If the issue persists after following these steps, consider consulting SAP support or your internal SAP team for further assistance.