How To Fix 40315 - Unit not defined. Check units of measurement in Customizing.

SAP Error Message - Details

• Message type: E = Error

• Message class: 40 - Messages for Process Orders

• Message number: 315

• Message text: Unit not defined. Check units of measurement in Customizing.

What causes this issue?

You specified a unit of measurement that is not defined by the system.

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?

Check your entry. If required, define the appropriate unit 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 40315 - Unit not defined. Check units of measurement in Customizing. ?

  The SAP error message 40315, "Unit not defined. Check units of measurement in Customizing," typically occurs when the system encounters a unit of measurement (UoM) that has not been defined in the system or is not properly configured. This can happen in various contexts, such as during the creation of materials, sales orders, or other transactions that involve quantities.
  Cause:
  
  Undefined Unit of Measurement: The unit of measurement being used in the transaction is not defined in the system.
  Incorrect Configuration: The unit of measurement may be defined, but it is not correctly configured in the relevant customizing settings.
  Missing Conversion Factors: If the unit of measurement is defined but lacks necessary conversion factors, it can lead to this error.
  Data Entry Errors: There may be a typo or incorrect entry in the unit of measurement field.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Check Unit of Measurement:
  
  Go to the transaction code CUNI (Maintain Units of Measure).
  Verify if the unit of measurement in question is defined. If it is not, you will need to create it.
  
  
  
  Define Unit of Measurement:
  
  If the unit is missing, you can create it by clicking on the "New Entries" button and filling in the necessary details (like the unit code, description, and conversion factors).
  
  
  
  Check Customizing Settings:
  
  Navigate to SPRO (SAP Reference IMG) and check the relevant customizing settings for units of measurement.
  Ensure that the unit of measurement is correctly assigned to the relevant material types, sales document types, or other relevant areas.
  
  
  
  Review Conversion Factors:
  
  If the unit is defined but still causing issues, check if the conversion factors are set up correctly. This is particularly important if you are using multiple units of measurement for the same material.
  
  
  
  Data Entry Validation:
  
  Ensure that the unit of measurement entered in the transaction is correct and matches the defined units in the system.
  
  
  
  Transport Requests:
  
  If changes were made in a development environment, ensure that they are transported to the production environment correctly.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CUNI: Maintain Units of Measure
  SPRO: SAP Reference IMG for customizing settings
  
  
  Documentation: Refer to SAP Help documentation for detailed information on units of measurement and their configuration.
  User Roles: Ensure that you have the necessary authorizations to make changes in the customizing settings.
  
  By following these steps, you should be able to resolve the error message 40315 and ensure that the unit of measurement is properly defined and configured in your SAP system.