How To Fix /PLMI/PPE_BO018 - Node &1&2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/PPE_BO -

• Message number: 018

• Message text: Node &1&2 already exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/PPE_BO018 - Node &1&2 already exists ?

  The SAP error message /PLMI/PPE_BO018 Node &1&2 already exists typically occurs in the context of the SAP Product Lifecycle Management (PLM) module, particularly when dealing with the creation or modification of a Bill of Materials (BOM) or similar hierarchical structures. This error indicates that there is an attempt to create a node (or item) in a structure that already exists, which violates the uniqueness constraint for that node.
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the node you are trying to create already exists in the system. This could be due to:
  
  Manual entry errors where the same node is being added multiple times.
  Data import processes that attempt to add existing nodes without checking for duplicates.
  Issues with the configuration or structure of the BOM or hierarchy.
  
  
  
  Incorrect Hierarchy Structure: If the hierarchy or structure is not set up correctly, it may lead to conflicts where the system believes a node is being duplicated.
  
  
  Solution:
  
  
  Check Existing Nodes: Before creating a new node, check the existing nodes in the hierarchy to ensure that the node you are trying to create does not already exist. You can do this by:
  
  Navigating to the relevant BOM or structure in the SAP GUI.
  Using transaction codes like CS03 (Display BOM) to view existing entries.
  
  
  
  Modify Existing Node: If the node already exists and you need to make changes, consider modifying the existing node instead of creating a new one.
  
  
  Data Import Validation: If you are importing data, ensure that your import process includes checks for existing nodes to prevent duplicates.
  
  
  Consult Documentation: Review the SAP documentation or help files related to the specific module you are working with to understand the constraints and requirements for node creation.
  
  
  Error Handling in Custom Code: If you are using custom ABAP code or enhancements, ensure that there is proper error handling and checks for existing nodes before attempting to create new ones.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) to manage BOMs effectively.
  SAP Notes: Check for any SAP Notes related to this error message for potential patches or updates that may address the issue.
  User Authorization: Ensure that you have the necessary authorizations to create or modify nodes in the system, as lack of permissions can sometimes lead to unexpected errors.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.