How To Fix LB104 - The use of units of measure for material &1 cannot be changed

LB104 - Overview

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 104

• Message text: The use of units of measure for material &1 cannot be changed

What causes this issue?

You want to change the <DS:DE.KZWSO>units of measure usage</> although
proportion units or product units have already been defined for
material &V1&.

System Response

Your entry is not allowed and the system may reset it to the original
value if necessary.

How to fix this error?

If you are sure you want to change the units of measure that are used
for the material, you have to delete all proportion units and product
units first.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB104 - The use of units of measure for material &1 cannot be changed ?

  The SAP error message LB104 indicates that there is an issue with changing the units of measure (UoM) for a specific material. This error typically arises when you attempt to modify the unit of measure for a material that is already in use in various transactions or has certain dependencies that prevent changes.
  
  Cause:
  
  Material Status: The material may be in a status that does not allow changes, such as being locked or in use in open purchase orders, sales orders, or stock movements.
  Dependencies: The material might have existing stock or transactions that are tied to the current unit of measure, making it impossible to change without first addressing those dependencies.
  Configuration Settings: The configuration settings in the material master may restrict changes to the unit of measure.
  Data Consistency: There may be inconsistencies in the data that prevent the change from being processed.
  
  
  Solution:
  
  Check Material Status: Ensure that the material is not locked or