How To Fix WRF_APC005 - Reference material &1 must be a prepack material

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_APC - Messages for Operational Assortment Planning and Control

• Message number: 005

• Message text: Reference material &1 must be a prepack material

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRF_APC005 - Reference material &1 must be a prepack material ?

  SAP Error Message:
  
  WRF_APC005 – Reference material &1 must be a prepack material
  
  Cause:
  This error occurs when a reference material specified in a process or configuration is expected to be a prepack material, but the material provided is not defined as such in the system.
  In SAP, a prepack material is a special type of material used in packaging processes, often representing a fixed combination or set of components packed together. The system expects the reference material to have the prepack indicator set, but it is missing or incorrectly maintained.
  
  Solution:
  
  
  Check Material Master:
  
  Go to transaction MM03 (Display Material).
  Enter the material number referenced in the error message.
  Navigate to the Basic Data or Sales: General/Plant Data views (depending on your SAP version and configuration).
  Verify if the material is flagged as a prepack material.
  
  
  
  Set Prepack Indicator:
  
  If the material is not marked as a prepack material, update the material master to set the prepack indicator.
  Use transaction MM02 (Change Material).
  In the relevant view (often Sales or Basic Data), set the Prepack Material indicator.
  Save the changes.
  
  
  
  Verify Configuration:
  
  Ensure that the process or configuration referencing this material is correctly set up to use prepack materials.
  Check any related customizing or master data that might enforce this requirement.
  
  
  
  Reprocess the Transaction:
  
  After correcting the material master, retry the transaction or process that triggered the error.
  
  
  
  
  Related Information:
  
  Prepack Materials are commonly used in industries like retail or manufacturing where products are sold or processed in fixed sets.
  The prepack indicator helps SAP identify materials that are handled differently in packaging, inventory, and sales processes.
  This error often appears in Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) scenarios where packaging and prepack materials are relevant.
  If you are unsure about setting the prepack indicator, consult your business process owner or SAP SCM consultant to confirm the material's role.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  Reference material &1 must be a prepack material
  
  
  Cause
  Material is not flagged as a prepack material but is required to be one
  
  
  Solution
  Set the prepack indicator in the material master (MM02) for the referenced material
  
  
  Transaction
  MM03 (Display), MM02 (Change)
  
  
  Context
  Packaging, Prepack handling in SCM/APO
  
  
  
  
  If the problem persists after setting the prepack indicator, check for custom validations or enhancements that might enforce additional rules on prepack materials.