How To Fix MMRP01238 - Component variant of a phantom assembly must be unique

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 238

• Message text: Component variant of a phantom assembly must be unique

What causes this issue?

You tried to add a component with a component variant at node &V2& of
order &V1& for which a phantom assembly aready exists.

System Response

The system cannot firm the node.

How to fix this error?

Enter another valid component variant of the node instead.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01238 - Component variant of a phantom assembly must be unique ?

  The SAP error message MMRP01238 indicates that there is an issue with the component variant of a phantom assembly in the system. Specifically, it means that the component variant you are trying to use is not unique, which is a requirement for phantom assemblies in SAP.
  Cause:
  
  
  Duplicate Component Variants: The error typically arises when there are multiple entries for the same component variant associated with a phantom assembly in the Bill of Materials (BOM). Phantom assemblies are used in production to simplify the BOM structure, and each component variant must be unique to avoid confusion in production planning and execution.
  
  
  Incorrect BOM Configuration: The BOM may not be configured correctly, leading to multiple entries for the same component variant.
  
  
  Data Entry Errors: Manual data entry errors can lead to duplicate entries in the BOM.
  
  
  Solution:
  
  
  Check BOM Entries: Review the BOM for the phantom assembly in question. Look for duplicate component variants and ensure that each variant is unique.
  
  
  Modify or Delete Duplicates: If you find duplicate entries, you can either modify them to ensure uniqueness or delete the unnecessary duplicates.
  
  
  Use Unique Identifiers: Ensure that each component variant has a unique identifier. This may involve renaming or reclassifying components.
  
  
  Review Configuration Settings: Check the configuration settings for the phantom assembly to ensure that it is set up correctly and that the component variants are defined properly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing phantom assemblies and BOMs.
  
  
  Testing: After making changes, test the BOM to ensure that the error does not reoccur and that the production process can proceed without issues.
  
  
  Related Information:
  
  
  Phantom Assemblies: These are used in production to represent a group of components that are not physically stocked but are used in the production process. They help streamline the BOM and reduce complexity.
  
  
  BOM Management: Proper management of BOMs is crucial in SAP for effective production planning and inventory management. Regular audits of BOMs can help prevent such errors.
  
  
  SAP Notes and Support: If the issue persists or if you need further assistance, consider checking SAP Notes for any known issues or patches related to this error. You can also reach out to SAP support for help.
  
  
  By following these steps, you should be able to resolve the MMRP01238 error and ensure that your phantom assembly's component variants are unique.