How To Fix BM027 - This unit is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: BM - Development class BZME - units of measure

• Message number: 027

• Message text: This unit is not defined

What causes this issue?

The desired unit is in the units of measure table. A value other than
&V1& is entered there for the number of decimal places for rounding.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BM027 - This unit is not defined ?

  The SAP error message BM027 ("This unit is not defined") typically occurs in the context of materials management or inventory management when the system encounters a unit of measure (UoM) that has not been defined in the system. This can happen during various transactions, such as when trying to post goods movements, create purchase orders, or manage inventory.
  Cause:
  
  Undefined Unit of Measure: The unit of measure you are trying to use for a material is not defined in the system.
  Incorrect Material Master Data: The material master record may not have the required unit of measure set up correctly.
  Configuration Issues: There may be issues in the configuration of the units of measure in the system.
  
  Solution:
  
  
  Define the Unit of Measure:
  
  Go to the transaction code CUNI (Maintain Units of Measure).
  Check if the unit of measure you are trying to use is defined. If not, you can create it.
  Ensure that the unit of measure is assigned to the appropriate measurement category.
  
  
  
  Check Material Master Data:
  
  Use transaction code MM03 to display the material master record.
  Verify that the unit of measure is correctly defined in the Basic Data view and the Purchasing view.
  If necessary, update the material master to include the correct unit of measure.
  
  
  
  Review Configuration:
  
  If you have access, check the configuration settings in the SPRO (SAP Project Reference Object) transaction.
  Navigate to Logistics > General > Material Master > Basic Settings > Units of Measure to ensure that the units of measure are configured correctly.
  
  
  
  Consult Documentation: If you are unsure about the correct units of measure or how to set them up, refer to SAP documentation or consult with your SAP administrator or functional consultant.
  
  
  Related Information:
  
  Transaction Codes: 
  
  CUNI: Maintain Units of Measure
  MM03: Display Material Master
  MM02: Change Material Master
  
  
  User Roles: Ensure that you have the necessary permissions to make changes to the material master or unit of measure settings.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  By following these steps, you should be able to resolve the BM027 error and ensure that the unit of measure is properly defined in your SAP system.