How To Fix L6040 - Unit of measure & not allowed according to material master; (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: L6 - LVS Link R/2 - ECC

• Message number: 040

• Message text: Unit of measure & not allowed according to material master; (&)

What causes this issue?

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

System Response

How to fix this error?

Enter a valid <GL:unit_of_measure>unit of measure</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L6040 - Unit of measure & not allowed according to material master; (&) ?

  The SAP error message L6040 indicates that there is an issue with the unit of measure (UoM) being used in a transaction that is not allowed according to the material master data. This typically occurs in scenarios such as inventory management, goods movements, or sales and distribution when the system checks the UoM against the settings defined in the material master.
  
  Cause:
  
  Incorrect Unit of Measure: The unit of measure being used in the transaction does not match any of the allowed units defined in the material master for that specific material.
  Missing UoM Configuration: The material master may not have the required unit of measure set up correctly, or the UoM is not maintained in the relevant views (e.g., purchasing, sales, or inventory).
  UoM Conversion Issues: If there are conversion factors defined, they may not be set up correctly, leading to the error when trying to convert between units.
  Material Type Restrictions: Certain material