How To Fix WU798 - Enter unit of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 798

• Message text: Enter unit of measure

What causes this issue?

A unit of measure is not entered for the absolute discount.

System Response

INCLUDE ISR_STOP

How to fix this error?

A unit of measure must always be defined for an absolute discount.
INCLUDE ISR_CHECK

Procedure for System Administrators

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 WU798 - Enter unit of measure ?

  The SAP error message WU798, which states "Enter unit of measure," typically occurs when a user is trying to perform an action that requires a unit of measure (UoM) to be specified, but it has not been provided. This error can arise in various contexts, such as during the creation of purchase orders, sales orders, or inventory management transactions.
  Cause:
  
  Missing Unit of Measure: The most common cause is that the user has not entered a unit of measure in the relevant field.
  Incorrect Configuration: The material master may not be properly configured with the necessary units of measure.
  Data Entry Error: The user may have overlooked the unit of measure field or entered it incorrectly.
  System Settings: There may be system settings or user authorizations that restrict the entry of units of measure.
  
  Solution:
  
  Enter the Unit of Measure: Ensure that you enter a valid unit of measure in the required field. This could be a standard unit like "EA" (each), "KG" (kilogram), "L" (liter), etc.
  Check Material Master Data: Verify that the material you are working with has the appropriate units of measure defined in the material master. You can do this by navigating to the material master record (transaction code MM03) and checking the "Units of Measure" tab.
  Review Configuration: If you have access, check the configuration settings in the SAP system to ensure that the units of measure are set up correctly. This may involve checking the settings in the customizing transaction (SPRO).
  Consult Documentation: If you are unsure about the correct unit of measure to use, consult your organization's documentation or speak with a colleague who is familiar with the materials or processes involved.
  User Training: If this error occurs frequently, consider providing additional training for users on how to properly enter data in the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), ME21N (Create Purchase Order), or VA01 (Create Sales Order) where this error might occur.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that users have the necessary roles and authorizations to enter data in the relevant fields.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.