How To Fix LB126 - Unit of measurement & is not allowed for characteristic &

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 126

• Message text: Unit of measurement & is not allowed for characteristic &

What causes this issue?

The unit of measurement &V2& you have entered does not exist. This is
due to an internal error (the unit of measurement of the characteristic
was deleted in Customizing).

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?

Please check the entries for units of measurement in Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB126 - Unit of measurement & is not allowed for characteristic & ?

  The SAP error message LB126, which states "Unit of measurement & is not allowed for characteristic &," typically occurs in the context of handling characteristics in the SAP system, particularly when dealing with classification or material management. This error indicates that the unit of measurement (UoM) you are trying to use is not valid for the specified characteristic.
  
  Cause:
  
  Incorrect Unit of Measurement: The UoM you are trying to assign to a characteristic is not defined or allowed in the system for that specific characteristic.
  
  Configuration Issues: The characteristic may have been configured to accept only certain units of measurement, and the one you are trying to use is not among them.
  Data Entry Errors: There may be a typo or mistake in the UoM being entered.
  Master Data Issues: The material or classification data may not be set up correctly, leading to this error.
  
  
  Solution:
  
  
  Check Characteristic Configuration:
  
  Go to the transaction code CT04 (Characteristic) and check