How To Fix SAPLWSAO026 - The unit of measure entered is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPLWSAO - Messages for SAP Retail Store Store Order

• Message number: 026

• Message text: The unit of measure entered is not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAPLWSAO026 - The unit of measure entered is not allowed ?

  The SAP error message SAPLWSAO026 indicates that the unit of measure (UoM) entered in a transaction is not allowed for the specific material or context in which you are working. This can occur in various scenarios, such as when creating or updating material master records, processing purchase orders, or handling inventory transactions.
  Causes:
  
  Incorrect Unit of Measure: The UoM entered does not match the allowed units defined for the material in the material master.
  Missing UoM in Material Master: The UoM you are trying to use has not been defined in the material master data.
  Configuration Issues: The UoM settings in the configuration may not allow the entered UoM for the specific transaction or material type.
  Unit of Measure Conversion: If there are conversion factors defined, the system may not be able to convert the entered UoM to the base UoM.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the "Basic Data" and "Purchasing" views to see the allowed units of measure.
  Ensure that the UoM you are trying to use is listed there.
  
  
  
  Add Missing UoM:
  
  If the UoM is not defined, you may need to add it to the material master. This can be done using transaction code MM02 (Change Material) and updating the relevant views.
  
  
  
  Review UoM Configuration:
  
  Check the configuration settings for units of measure in the SAP system. This can be done through transaction code SPRO and navigating to:
  
  Logistics - General > Material Master > Basic Settings > Units of Measure.
  
  
  Ensure that the UoM is correctly configured and allowed for the relevant material types.
  
  
  
  Use Correct UoM:
  
  If the UoM is not allowed for the transaction you are performing, consider using an alternative UoM that is permitted.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific guidelines related to UoM settings and restrictions.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of UoMs (e.g., base unit, order unit, sales unit) and how they relate to each other.
  Conversion Factors: Familiarize yourself with how conversion factors work in SAP, as they can affect the ability to use certain UoMs.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to material master data or configuration settings.
  
  If the issue persists after checking these areas, it may be beneficial to involve your SAP support team or consult SAP Notes for any known issues related to this error message.