How To Fix /SCWM/HUFUNCTIONS161 - Unit of measure is missing for the quantity being changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/HUFUNCTIONS -

• Message number: 161

• Message text: Unit of measure is missing for the quantity being changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/HUFUNCTIONS161 - Unit of measure is missing for the quantity being changed ?

  The SAP error message /SCWM/HUFUNCTIONS161 indicates that there is a problem with the handling unit (HU) in the Extended Warehouse Management (EWM) module. Specifically, it states that the unit of measure (UoM) is missing for the quantity being changed. This error typically occurs when you are trying to perform an operation that involves changing the quantity of a handling unit, but the system cannot determine the appropriate unit of measure for that quantity.
  Cause:
  
  Missing Unit of Measure: The handling unit does not have a defined unit of measure for the quantity you are trying to change.
  Incorrect Configuration: The configuration for the material or handling unit may not be set up correctly, leading to missing UoM information.
  Data Inconsistency: There may be inconsistencies in the master data related to the material or handling unit.
  User Input Error: The user may have entered a quantity without specifying the corresponding unit of measure.
  
  Solution:
  
  Check Handling Unit Data: Verify that the handling unit has the correct unit of measure assigned. You can do this by checking the handling unit details in the system.
  Review Material Master: Ensure that the material master data is correctly configured with the appropriate units of measure. Check the base unit of measure and any alternative units of measure that may be relevant.
  Update Quantity with UoM: When changing the quantity, ensure that you also specify the unit of measure. For example, if you are changing the quantity to 10, make sure to indicate whether it is in pieces, kilograms, etc.
  Check Configuration Settings: Review the configuration settings in EWM related to handling units and units of measure. Ensure that all necessary settings are in place.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling units and units of measure in EWM.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SCWM/HU to manage handling units or /SCWM/MON for monitoring.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the operation involving handling units.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in EWM for further assistance.