How To Fix AO090 - Quantity &1 was entered without a unit - enter a unit of measure

AO090 - Overview

• Message type: E = Error

• Message class: AO - Appropriation requests - Master data / Customizing

• Message number: 090

• Message text: Quantity &1 was entered without a unit - enter a unit of measure

What causes this issue?

You entered the quantity &V1& but did not enter a unit of measure.

System Response

You cannot enter a quantity without a unit of measure.

How to fix this error?

Enter the correct unit of measure for the quantity you entered. Use the
entry help.
Or delete the quantity entry.

Error message extract from SAP system. Copyright SAP SE.

AO090 - Details

• The SAP error message AO090 indicates that a quantity has been entered without a corresponding unit of measure. This error typically occurs in various SAP transactions where quantities are expected to be associated with a specific unit of measure, such as in inventory management, purchasing, or production planning.
  
  Cause:
  
  Missing Unit of Measure: The user has entered a quantity but has not specified the unit of measure (e.g., pieces, kilograms, liters).
  Incorrect Configuration: The material master or the relevant configuration may not have the unit of measure defined correctly.
  Data Entry Error: The user may have overlooked entering the unit of measure while filling out the form.
  
  
  Solution:
  
  
  Enter a Unit of Measure: When you encounter this error, check the input fields and ensure that you have entered a valid unit of measure corresponding to the quantity. For example, if you entered "10" as the quantity, you should also specify "KG" for kilograms or "PC" for