How To Fix CO477 - Backflushing not permitted for phantom assemblies

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 477

• Message text: Backflushing not permitted for phantom assemblies

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO477 - Backflushing not permitted for phantom assemblies ?

  The SAP error message CO477, which states "Backflushing not permitted for phantom assemblies," typically occurs in the context of production and inventory management when attempting to backflush materials for a phantom assembly in a production order. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Phantom Assemblies: Phantom assemblies are used in production to simplify the bill of materials (BOM) by grouping components that are not physically stocked but are used in the production process. They are treated as a single unit for planning purposes but do not exist as separate inventory items.
  Backflushing Restrictions: SAP does not allow backflushing for phantom assemblies because they are not physically present in inventory. Backflushing is a process where materials are automatically deducted from inventory when production is confirmed, and since phantom assemblies do not have a physical presence, this process cannot be applied.
  
  Solutions:
  
  Manual Confirmation: Instead of backflushing, you can manually confirm the