How To Fix WB2B308 - Order price UoM &1 of item &3 can no longer be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 308

• Message text: Order price UoM &1 of item &3 can no longer be changed

What causes this issue?

You have already posted a goods receipt or an invoice for the trading
contract item &V3& (see also the purchase order history). If such
documents exist, you cannot change the purchase order price unit in the
trading contract item &V3&.

System Response

The system does not allow you to change the purchase order price unit
from &V1& to &V2&.

How to fix this error?

If you still wish to change the purchase order price unit, you first
have to cancel the goods receipt or the invoice.
If necessary, change the purchase order price unit back to the original
value &V1&.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B308 - Order price UoM &1 of item &3 can no longer be changed ?

  The SAP error message WB2B308 indicates that the order price unit of measure (UoM) for a specific item in a sales order cannot be changed. This typically occurs in the context of sales and distribution (SD) processes when there are restrictions on modifying certain fields after the order has been processed to a certain point.
  Cause:
  
  Order Status: The order may have already been processed (e.g., delivery created, invoice generated), which locks certain fields from being changed.
  Document Flow: If there are subsequent documents (like deliveries or invoices) created based on the sales order, the system restricts changes to ensure data integrity.
  Configuration Settings: Certain configuration settings in the SAP system may prevent changes to the UoM once the order is in a specific status.
  Pricing Conditions: If pricing conditions are based on the UoM, changing it may lead to inconsistencies in pricing calculations.
  
  Solution:
  
  Check Order Status: Review the status of the sales order. If it has been fully processed, you may need to create a new order or adjust the existing one through a credit memo or return process.
  Recreate the Order: If the UoM needs to be changed, consider creating a new sales order with the correct UoM and canceling the original order if necessary.
  Consult Configuration: If you believe the UoM should be changeable, consult with your SAP configuration team to review the settings related to sales order processing and UoM handling.
  Use Transaction Codes: Utilize transaction codes like VA02 (Change Sales Order) to check the order details and see if any fields are locked for editing.
  Documentation: Refer to SAP documentation or help resources for specific guidelines on handling UoM changes in sales orders.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to make changes to the sales order.
  Training: Consider training for users on the implications of changing UoM in sales orders and the associated processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with your SAP support team for further assistance.