How To Fix WRF_APC138 - Material &1 is not a "Planning-only" prepack material

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 138

• Message text: Material &1 is not a "Planning-only" prepack material

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRF_APC138 - Material &1 is not a "Planning-only" prepack material ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_APC138: Material &1 is not a "Planning-only" prepack material
  
  Cause:
  This error occurs during the planning or production process when the system expects a material to be flagged as a "Planning-only" prepack material, but the material master data does not have this indicator set.
  
  "Planning-only" prepack material refers to a material that is used only for planning purposes and not for actual stock or production.
  The system checks the material master data (usually in the Material Master - MRP 3 view or a related configuration) to verify if the material is flagged as a planning-only prepack.
  If the material is not flagged accordingly but is used in a context where the system expects it to be, this error is triggered.
  
  
  When does it occur?
  
  During production order creation, material requirements planning (MRP), or prepack processing.
  When a prepack material is involved in planning but is not correctly set up as a planning-only prepack.
  Often seen in industries like fashion or retail where prepacks (packs containing multiple sizes/colors) are common.
  
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to transaction MM02 (Change Material).
  Navigate to the relevant view (often MRP 3 or a custom view related to prepack).
  Verify if the material is flagged as a Planning-only prepack.
  If not, and if the business process requires it, set the indicator accordingly.
  
  
  
  Review Configuration:
  
  Check if the material type or material group requires the planning-only prepack flag.
  Verify if the prepack settings in customizing (SPRO) are correctly maintained.
  
  
  
  Business Process Validation:
  
  Confirm with business users if the material should be a planning-only prepack.
  If the material is not supposed to be planning-only, adjust the process or master data accordingly.
  
  
  
  Re-run the process:
  
  After correcting the material master, re-run the planning or production process.
  
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM02: Change Material Master
  MD04: Stock/Requirements List (to check planning)
  CO01: Create Production Order (if related to production)
  
  
  SAP Notes:
  
  Check SAP Notes related to prepack and planning-only materials for your SAP version.
  
  
  Customization Path:
  
  Logistics ? Production ? Prepack ? Define Prepack Materials and Settings
  
  
  Prepack Concepts:
  
  Prepack materials are often used in industries where products are sold in packs (e.g., apparel).
  Planning-only prepack materials are used to simplify planning without affecting inventory.
  
  
  
  
  If you provide the exact transaction or process where the error occurs, I can help with more specific steps.