How To Fix /SAPAPO/FOT450 - Order quantity of child order &1 is less than total WIP transfer quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/FOT -

• Message number: 450

• Message text: Order quantity of child order &1 is less than total WIP transfer quantity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/FOT450 - Order quantity of child order &1 is less than total WIP transfer quantity ?

  The SAP error message /SAPAPO/FOT450 indicates that there is an issue with the order quantity of a child order being less than the total Work In Progress (WIP) transfer quantity. This typically occurs in the context of production planning and execution within the SAP Advanced Planning and Optimization (APO) module.
  Cause:
  
  Order Quantity Mismatch: The child order (which is usually a production order or a process order) has a defined order quantity that is less than the total quantity that is being transferred as WIP from a parent order.
  Incorrect WIP Calculation: The system may have calculated the WIP transfer quantity incorrectly, possibly due to changes in production or planning parameters.
  Data Entry Errors: Manual entries or adjustments in the order quantities or WIP transfer quantities may have led to inconsistencies.
  Routing Issues: If the routing or bill of materials (BOM) associated with the orders is not set up correctly, it can lead to discrepancies in quantities.
  
  Solution:
  
  Review Order Quantities: Check the order quantities of both the parent and child orders. Ensure that the child order's quantity is sufficient to accommodate the WIP transfer.
  Adjust WIP Transfer Quantity: If the WIP transfer quantity is incorrect, adjust it to match the child order's quantity or increase the child order's quantity to match the WIP transfer.
  Check Routing and BOM: Verify that the routing and BOM are correctly defined and that they reflect the actual production process.
  Reprocess the Orders: If necessary, reprocess the orders to ensure that the system recalculates the WIP transfer quantities based on the updated order quantities.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling WIP and order quantities in your version of SAP APO.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/ORDR to view and manage orders, or /SAPAPO/WIP to analyze WIP-related data.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error message.
  User Exits and BAdIs: If custom logic is implemented in your SAP system, review any user exits or Business Add-Ins (BAdIs) that might affect order processing and WIP calculations.
  Testing: After making adjustments, conduct thorough testing to ensure that the changes resolve the issue without introducing new problems.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.