How To Fix BM103 - Only uppercase characters possible in 3-character units of measurement

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 103

• Message text: Only uppercase characters possible in 3-character units of measurement

What causes this issue?

You wanted to represent a commercial (3-char.) measurement unit format
with the text &V1&. This text contains lower-case letters.
Only upper-case letters are allowed in the commercial (3-char.)
measurement units. Lower-case letters are only allowed in the technical
(6-char.) format.

System Response

The representation can not be saved like this, otherwise the data
would be inconsistent.

How to fix this error?

Please check the representation, and change the 3-character
representation for the following entry:
&V3&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BM103 - Only uppercase characters possible in 3-character units of measurement ?

  The SAP error message BM103: Only uppercase characters possible in 3-character units of measurement typically occurs when you are trying to enter a unit of measurement (UoM) that does not conform to the expected format. In SAP, units of measurement are usually defined as three-character codes, and they must be in uppercase letters.
  Cause:
  
  Lowercase Characters: The most common cause of this error is the use of lowercase letters in the unit of measurement. For example, entering "kg" instead of "KG".
  Incorrect Format: The unit of measurement may not be in the correct three-character format. For example, using "KGS" instead of "KG" or using a unit that is not defined in the system.
  Custom Units: If you are using a custom unit of measurement that has not been properly defined in the system, it may trigger this error.
  
  Solution:
  
  Use Uppercase Letters: Ensure that you are entering the unit of measurement in uppercase letters. For example, use "KG" instead of "kg".
  Check Unit Definition: Verify that the unit of measurement you are trying to use is defined in the system. You can do this by checking the configuration in the SAP system (transaction code CUNI for unit of measure maintenance).
  Correct Format: Make sure that the unit of measurement is exactly three characters long and follows the standard naming conventions.
  Consult Documentation: If you are unsure about the correct unit of measurement to use, consult the relevant SAP documentation or your organization's guidelines.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like CUNI to manage units of measurement in SAP.
  SAP Help Portal: For more detailed information, you can refer to the SAP Help Portal or the specific documentation related to units of measurement in your version of SAP.
  User Exits and Enhancements: If you are working with custom developments, check if there are any user exits or enhancements that might be affecting the input of units of measurement.
  
  By following these steps, you should be able to resolve the BM103 error and successfully enter the required unit of measurement in your SAP system.