How To Fix VMP_MSG361 - BOM item &1 is marked as phantom assembly

SAP Error Message - Details

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 361

• Message text: BOM item &1 is marked as phantom assembly

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VMP_MSG361 - BOM item &1 is marked as phantom assembly ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  VMP_MSG361: BOM item &1 is marked as phantom assembly
  
  Cause:
  This error occurs during production order processing or BOM explosion when the system encounters a BOM item that is flagged as a phantom assembly. A phantom assembly is a special type of BOM item that is not a real, physical assembly but rather a logical grouping of components. It is used to simplify BOM structures by grouping components without creating a separate production order for the phantom assembly.
  The error typically arises because:
  
  The system expects a normal component but finds a phantom assembly instead.
  The phantom assembly is not handled correctly in the current process (e.g., during order creation, material staging, or cost calculation).
  The configuration or master data for the phantom assembly is incomplete or inconsistent.
  The phantom assembly is incorrectly used in a context where it is not allowed.
  
  
  Explanation:
  
  Phantom Assembly: A BOM item flagged as a phantom assembly (indicator in the BOM item) means it is not produced as a separate item but exploded immediately into its components during BOM explosion.
  When the system processes the BOM, it tries to explode the phantom assembly into its components.
  If the process or transaction does not support phantom assemblies or if the phantom assembly is incorrectly maintained, the system throws this error.
  
  
  Solution:
  
  
  Check BOM Item Settings:
  
  Go to the BOM (transaction CS03) and check the item flagged as phantom assembly.
  Verify if the phantom assembly indicator is set correctly.
  Confirm that the phantom assembly is intended to be used in this BOM.
  
  
  
  Review BOM Explosion Logic:
  
  Ensure that the process or transaction supports phantom assemblies.
  For example, some production order types or MRP runs may not handle phantom assemblies properly.
  
  
  
  Adjust BOM or Process:
  
  If the phantom assembly is not needed, remove the phantom assembly indicator from the BOM item.
  Alternatively, replace the phantom assembly with a normal assembly if it should be produced separately.
  
  
  
  Check Material Master:
  
  Verify the material master data for the phantom assembly material.
  Ensure that the material type and procurement type are consistent with phantom assembly usage.
  
  
  
  Consult Configuration:
  
  Check configuration settings related to phantom assemblies in production and BOM explosion.
  For example, in SPRO under Production ? Basic Data ? Bill of Material ? Define Phantom Assemblies.
  
  
  
  Use Correct Transaction:
  
  Some transactions or reports may not support phantom assemblies.
  Use transactions that correctly handle phantom assemblies or adjust the process accordingly.
  
  
  
  
  Additional Information:
  
  Phantom assemblies are commonly used to simplify complex BOMs by grouping components logically.
  They do not have their own stock or production orders.
  Phantom assemblies are exploded immediately during BOM explosion, so their components are treated as if they were directly part of the parent BOM.
  Incorrect use or maintenance of phantom assemblies can cause errors in production order creation, costing, or material staging.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  VMP_MSG361: BOM item &1 is marked as phantom assembly
  
  
  Cause
  BOM item flagged as phantom assembly encountered in a process that does not support it
  
  
  Solution
  Verify and correct BOM phantom assembly indicator, adjust process or BOM structure
  
  
  Transaction
  Check BOM with CS03, adjust in CS02, review production order or MRP process
  
  
  Notes
  Phantom assemblies are logical groupings, exploded immediately, no separate production
  
  
  
  
  If you provide the exact context (e.g., transaction, process step), I can help tailor the solution further.