How To Fix AQ146 - Reference unit is not allowed

AQ146 - Overview

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 146

• Message text: Reference unit is not allowed

What causes this issue?

In a statistic or ranked list, you have chosen a reference unit for a
quantity that is not supported by the system.

System Response

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

How to fix this error?

Choose a valid reference unit.

Error message extract from SAP system. Copyright SAP SE.

AQ146 - Details

• The SAP error message AQ146, which states "Reference unit is not allowed," typically occurs in the context of materials management or inventory management when dealing with units of measure (UoM) in SAP. This error indicates that the system is encountering a reference unit of measure that is not permitted for the specific transaction or context in which you are working.
  Causes:
  
  Incorrect Unit of Measure Configuration: The reference unit of measure may not be properly defined in the material master or may not be allowed for the specific transaction type.
  Unit of Measure Conversion Issues: There may be issues with the conversion factors between different units of measure, leading to the reference unit being deemed invalid.
  Transaction Context: The error may arise if the reference unit is not compatible with the transaction being performed (e.g., purchasing, sales, or inventory management).
  Material Master Settings: The material master record may not have the correct settings for the