How To Fix RDM_BBY256 - Assigned plant groups contain duplicate plants

SAP Error Message - Details

• Message type: E = Error

• Message class: RDM_BBY - Bonus Buy: Messages

• Message number: 256

• Message text: Assigned plant groups contain duplicate plants

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RDM_BBY256 - Assigned plant groups contain duplicate plants ?

  The SAP error message RDM_BBY256 indicates that there are duplicate plants assigned within the assigned plant groups in your configuration. This typically occurs in the context of managing plant assignments for various business processes, such as material management, production planning, or logistics.
  Cause:
  The error arises when the same plant is assigned to a plant group more than once. This can happen due to:
  
  Data Entry Errors: Manual entry of plant assignments may lead to duplicates.
  Configuration Issues: Incorrect configuration settings in the plant group assignment.
  Data Migration Issues: If data was migrated from another system, duplicates may have been introduced during the migration process.
  
  Solution:
  To resolve the RDM_BBY256 error, follow these steps:
  
  
  Identify Duplicate Plants:
  
  Go to the relevant configuration area in SAP where plant groups are defined.
  Check the assigned plants for the specific plant group that is causing the error.
  Look for any duplicate entries of plants within that group.
  
  
  
  Remove Duplicates:
  
  Once you identify the duplicates, remove the extra entries so that each plant is assigned only once to the plant group.
  Ensure that the remaining assignments are correct and meet your business requirements.
  
  
  
  Validate Changes:
  
  After making changes, validate the configuration to ensure that the error no longer appears.
  Test the relevant business processes to confirm that everything is functioning as expected.
  
  
  
  Documentation:
  
  Document the changes made for future reference and to help prevent similar issues from occurring.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SPRO to access the configuration settings for plant groups.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  User Roles: Ensure that you have the necessary authorizations to make changes to plant assignments.
  Consulting Help: If the issue persists or if you are unsure about making changes, consider consulting with your SAP Basis or functional team for assistance.
  
  By following these steps, you should be able to resolve the RDM_BBY256 error and ensure that your plant group assignments are correctly configured.