How To Fix /PLMU/UI_RCP401 - Specification &1 with component type &2 already exists in the composition

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMU/UI_RCP -

• Message number: 401

• Message text: Specification &1 with component type &2 already exists in the composition

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 /PLMU/UI_RCP401 - Specification &1 with component type &2 already exists in the composition ?

  The SAP error message /PLMU/UI_RCP401 indicates that there is an attempt to add a component to a composition where a component of the same type already exists. This typically occurs in the context of Product Lifecycle Management (PLM) or similar modules where compositions of products or materials are being managed.
  Cause:
  The error is triggered when:
  
  You are trying to add a component (e.g., a material or part) to a composition (e.g., a product structure or bill of materials) that already contains a component of the same type.
  The system enforces a rule that prevents duplicate components of the same type within a single composition.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Components: Review the existing components in the composition to confirm if the component you are trying to add is already present. You can do this by navigating to the relevant transaction or screen where the composition is displayed.
  
  
  Modify the Composition: If the component is already present and you need to make changes, consider:
  
  Updating the existing component instead of adding a new one.
  Removing the existing component if it is no longer needed, and then adding the new component.
  
  
  
  Use Different Component Type: If you need to add a different component, ensure that it is of a different type than the one already present in the composition.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing compositions and components in your version of SAP.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), or CS03 (Display BOM) to manage your compositions effectively.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles and Permissions: Ensure that you have the necessary permissions to modify compositions and components in the system.
  
  By following these steps, you should be able to address the error and manage your product compositions effectively.