How To Fix AA183 - Unit of measure & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 183

• Message text: Unit of measure & does not exist

What causes this issue?

Unit of measure &V1& is not defined.

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?

Correct the unit of measure.
You can use the F4 function to help you to find existing units of
measure.
It is also possible that you did not enter a unit of measure, although
the screen layout rule specifies that the unit of measure must be
entered in the asset class.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AA183 - Unit of measure & does not exist ?

  The SAP error message AA183, which states "Unit of measure & does not exist," typically occurs in the context of Asset Accounting (FI-AA) when the system encounters a unit of measure (UoM) that is not defined in the system. This can happen during various transactions, such as asset creation, transfer, or posting.
  Cause:
  
  Undefined Unit of Measure: The unit of measure specified for an asset or transaction does not exist in the system.
  Incorrect Configuration: The unit of measure may not be properly configured in the system settings.
  Data Entry Error: There may be a typographical error in the unit of measure entered by the user.
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code OMN1 (or navigate through the menu: Logistics > General > Master Data > Units of Measure > Define Units of Measure).
  Verify if the unit of measure you are trying to use is defined in the system. If it is not, you will need to create it.
  
  
  
  Create Missing Unit of Measure:
  
  If the unit of measure does not exist, you can create it by using the same transaction (OMN1) and entering the necessary details.
  
  
  
  Verify Asset Master Data:
  
  Check the asset master data to ensure that the correct unit of measure is assigned. You can do this using transaction code AS03 (Display Asset).
  
  
  
  Check for Typographical Errors:
  
  Review the input for any typographical errors in the unit of measure field. Ensure that it matches the defined units in the system.
  
  
  
  Consult with Configuration Team:
  
  If you are unsure about the configuration or need to make changes, consult with your SAP configuration team or a functional consultant who specializes in Asset Accounting.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  AS01: Create Asset
  AS02: Change Asset
  AS03: Display Asset
  OMN1: Define Units of Measure
  
  
  
  Documentation: Refer to SAP Help documentation for Asset Accounting and Units of Measure for more detailed information on configuration and usage.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  
  By following these steps, you should be able to resolve the AA183 error and ensure that the unit of measure is correctly defined and used in your SAP system.