How To Fix VF_PRC_API017 - The conversion factors for the UoM of price element &1 cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: VF_PRC_API - Messages for Pricing API

• Message number: 017

• Message text: The conversion factors for the UoM of price element &1 cannot be changed

Self-Explanatory Message

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• What is the cause and solution for SAP error message VF_PRC_API017 - The conversion factors for the UoM of price element &1 cannot be changed ?

  SAP Error Message:
  
  VF_PRC_API017 - The conversion factors for the UoM of price element &1 cannot be changed
  
  Cause:
  This error occurs when there is an attempt to change the conversion factors for the Unit of Measure (UoM) associated with a price element in billing or pricing documents, but such changes are not allowed because:
  
  The price element is already used in billing documents or pricing conditions.
  The system restricts changes to conversion factors for UoM once the price element is in use to maintain data consistency and integrity.
  The UoM conversion factors are fixed for price elements that are referenced in existing documents or master data.
  
  
  Explanation:
  In SAP SD (Sales and Distribution), price elements (such as condition types) have associated units of measure and conversion factors. These conversion factors define how quantities in different units relate to each other for pricing calculations.
  Once a price element is used in billing documents or pricing conditions, changing its UoM conversion factors could lead to inconsistencies in pricing calculations and historical data. Therefore, SAP prevents such changes and throws this error.
  
  Solution:
  
  
  Do not change conversion factors for price elements already in use.
  
  If you need different conversion factors, consider creating a new price element or condition type with the desired UoM and conversion factors.
  
  
  Check if the price element is used in any documents:  
  
  Use transaction codes like VA05 (List of Sales Orders), VF03 (Display Billing Document), or condition records to verify usage.
  If the price element is not used, you may be able to change the conversion factors.
  
  
  
  If changes are absolutely necessary:  
  
  You may need to delete all documents and condition records using the price element (not recommended in productive systems).
  Alternatively, consult with SAP support or your SAP Basis/SD consultant for possible workarounds.
  
  
  
  Review the configuration:  
  
  Check the condition type and pricing procedure setup.
  Ensure that the UoM and conversion factors are correctly maintained in the material master and condition records.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:  
  
  VK11 / VK12 / VK13 – Maintain condition records  
  V/06 – Define condition types  
  V/08 – Define pricing procedures  
  MM02 – Change material master (for UoM settings)  
  VF03 – Display billing document
  
  
  
  Tables:  
  
  KONV – Conditions (pricing)  
  T685 – Condition types  
  T683 – Pricing procedures
  
  
  
  Notes and Documentation:  
  
  SAP Notes related to pricing and UoM conversion factors  
  SAP Help Portal on Pricing and Condition Techniques
  
  
  
  
  Summary:
  The error VF_PRC_API017 is a safeguard to prevent inconsistent pricing data by disallowing changes to UoM conversion factors for price elements already in use. The best practice is to avoid changing these factors once the price element is active and instead create new elements if different conversion factors are needed.