How To Fix QB122 - Quantities cannot be converted

QB122 - Overview

• Message type: E = Error

• Message class: QB - Message IDs for QM in procurement

• Message number: 122

• Message text: Quantities cannot be converted

What causes this issue?

One of the conversion factors is not maintained in the material.

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?

Maintain the conversion factors in the material.

Error message extract from SAP system. Copyright SAP SE.

QB122 - Details

• The SAP error message QB122, which states "Quantities cannot be converted," typically occurs in the context of inventory management and material movements. This error is related to issues with unit of measure (UoM) conversions, particularly when trying to convert quantities between different units of measure that are not compatible or properly defined in the system.
  Causes of Error QB122
  
  
  Incorrect Unit of Measure Configuration: The units of measure for the material may not be correctly defined in the material master. This includes the base unit of measure and any alternative units of measure.
  
  
  Missing Conversion Factors: If the conversion factors between different units of measure are not set up correctly in the system, SAP will not be able to convert quantities.
  
  
  Inconsistent UoM Usage: The system may be trying to convert quantities that are not compatible due to inconsistent usage of units in transactions or master data.
  
  
  Material Master Issues: There may be issues with