How To Fix VH129 - Conditions from (milestone) billed items can not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: VH - SD pricing

• Message number: 129

• Message text: Conditions from (milestone) billed items can not be changed

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• What is the cause and solution for SAP error message VH129 - Conditions from (milestone) billed items can not be changed ?

  Certainly! Here's a detailed explanation regarding the SAP error message VH129 - "Conditions from (milestone) billed items can not be changed":
  
  Error Message: VH129
  Text: Conditions from (milestone) billed items can not be changed
  
  Cause:
  This error occurs in SAP Sales and Distribution (SD) or Contract Billing scenarios when you attempt to change pricing conditions on a billing document or sales document item that has already been milestone billed or partially billed.
  
  Milestone Billing: In milestone billing, billing is done based on predefined milestones rather than on delivery or order quantity. Once a milestone is billed, the system locks the pricing conditions related to that milestone to ensure billing consistency.
  Condition Change Restriction: SAP does not allow changes to pricing conditions (such as discounts, surcharges, or prices) for items that have already been billed via milestone billing because it would lead to inconsistencies between the billed amount and the contract or sales document.
  
  
  When does it typically occur?
  
  When you try to change the pricing conditions in a sales order or contract item after milestone billing has been posted.
  When you try to modify a billing document or contract item that has milestone billing history.
  During contract or sales order changes where milestone billing is active and conditions are locked.
  
  
  Solution:
  
  
  Check Billing Status:
  
  Verify if the item has already been milestone billed.
  Use transaction VA43 (Display Contract) or VA42 (Change Contract) to check the billing status.
  Check the milestone billing history in the contract or sales order item.
  
  
  
  Avoid Changing Conditions After Billing:
  
  Do not attempt to change pricing conditions on items that have been milestone billed.
  If a change is necessary, consider the following options:
  
  
  
  Cancel or Reverse Milestone Billing:
  
  If a condition change is absolutely required, you may need to cancel or reverse the milestone billing document first.
  Use transaction VF11 to cancel the billing document.
  After cancellation, you can change the conditions and then re-bill.
  
  
  
  Create a New Contract or Sales Order:
  
  If reversal is not possible or practical, create a new contract or sales order with the correct conditions.
  
  
  
  Consult with SD/Contract Billing Team:
  
  Since milestone billing is often part of complex contract billing scenarios, coordinate with your SD or contract billing team to understand the impact of changes.
  
  
  
  
  Related Information:
  
  Milestone Billing: Used in contract scenarios where billing is triggered by reaching certain milestones rather than delivery or quantity.
  Condition Records: Pricing conditions are stored in condition records and linked to sales order or contract items.
  Billing Document: Once a billing document is created for a milestone, the system locks related conditions to maintain billing integrity.
  Transaction Codes:
  
  VA42 / VA43 – Change / Display Contract
  VF11 – Cancel Billing Document
  VA02 – Change Sales Order
  VA03 – Display Sales Order
  
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Attempt to change pricing conditions on milestone billed items (conditions locked).
  
  
  Effect
  SAP throws error VH129 and prevents condition changes.
  
  
  Solution
  Cancel milestone billing document if possible, then change conditions; or create new contract/order.
  
  
  Prevention
  Avoid changing conditions after milestone billing; plan pricing before billing milestones.
  
  
  
  
  If you need help with a specific scenario or transaction, please provide more details!