How To Fix C1146 - Value &: unit not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 146

• Message text: Value &: unit not supported

What causes this issue?

The value &v1& contains a unit of measurement which is not supported.

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 correct your entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1146 - Value &: unit not supported ?

  The SAP error message C1146, which states "Value &: unit not supported," typically occurs when there is an issue with the unit of measure (UoM) being used in a transaction or data entry. This error indicates that the system does not recognize the unit of measure associated with the value being processed.
  Causes:
  
  Invalid Unit of Measure: The unit of measure entered may not be defined in the system or may not be valid for the specific material or transaction type.
  Configuration Issues: The unit of measure may not be properly configured in the material master or in the relevant settings for the transaction.
  Data Entry Errors: There may be a typographical error in the unit of measure entered by the user.
  Missing Master Data: The material or product may not have the necessary master data set up, including the correct units of measure.
  
  Solutions:
  
  
  Check Unit of Measure: Verify that the unit of measure you are trying to use is valid and exists in the system. You can do this by checking the material master data (transaction code MM03) or the relevant configuration settings.
  
  
  Review Material Master Data: Ensure that the material master record has the correct units of measure defined. You can check this in the material master under the "Basic Data" or "Sales" views.
  
  
  Configuration Settings: If you have access to configuration settings, check the settings for units of measure in the relevant customizing transactions (e.g., SPRO) to ensure that the unit of measure is defined and linked correctly.
  
  
  Correct Data Entry: Double-check the data entry for any typographical errors. Ensure that the unit of measure is entered correctly and matches the expected format.
  
  
  Consult Documentation: If you are unsure about the correct unit of measure to use, consult the relevant documentation or guidelines for your organization or the specific transaction you are working with.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with a functional expert who can provide further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and SPRO (Customizing).
  Unit of Measure Tables: You can check the unit of measure definitions in the SAP tables, such as T006 (Units of Measure) and T006A (Units of Measure: Language-Dependent Texts).
  SAP Notes: Search for SAP Notes related to error C1146 in the SAP Support Portal for any specific patches or updates that may address the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the C1146 error in SAP.