How To Fix WU428 - Currency unit and price must be maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 428

• Message text: Currency unit and price must be maintained

What causes this issue?

When specifying a price you should always specify a currency
because a price without currency or a currency without price cannot
be interpreted.

System Response

The system rejects the entry.

How to fix this error?

Enter the purchase price and currency or leave both fields empty.
If you do not fill the fields, then no planned price is
determined.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU428 - Currency unit and price must be maintained ?

  The SAP error message WU428 ("Currency unit and price must be maintained") typically occurs in the context of pricing or valuation in SAP, particularly when dealing with materials, services, or contracts. This error indicates that the system requires both a currency unit and a price to be specified for a particular transaction or entry, but one or both of these values are missing.
  Cause:
  
  Missing Currency or Price: The most common cause is that the currency unit or the price has not been entered in the relevant fields.
  Incomplete Master Data: The material or service master data may not have been fully maintained, leading to missing pricing information.
  Configuration Issues: There may be issues with the configuration settings in the pricing procedure or related areas.
  Transaction Type: The specific transaction type being processed may require additional information that has not been provided.
  
  Solution:
  
  Check Input Fields: Ensure that both the currency unit and the price are entered in the relevant fields. This is often in the sales order, purchase order, or material master data.
  Maintain Master Data: Go to the material or service master data and ensure that all necessary pricing information is maintained. This includes checking the pricing conditions in the condition records.
  Review Pricing Procedure: Check the pricing procedure configuration in the SAP system to ensure that it is set up correctly and that all necessary conditions are defined.
  Transaction Review: If the error occurs during a specific transaction, review the transaction type and ensure that all required fields are filled out correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the transaction or module you are working with.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM02 (Change Material), ME21N (Create Purchase Order), or VA01 (Create Sales Order) to access the relevant data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to maintain pricing and currency information.
  Testing: After making changes, perform tests to ensure that the error does not reoccur.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module (e.g., MM, SD, or FI).