How To Fix C1014 - Internal unit of measure & not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 014

• Message text: Internal unit of measure & not supported

What causes this issue?

You want to edit a characteristic whose values are maintained with a
unit. However, the unit assigned to the characteristic is no longer
valid.
The unit has been deleted from the list of available units since the
characteristic was last maintained.

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?

Inform your system administrator to have the unit defined as available
again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1014 - Internal unit of measure & not supported ?

  The SAP error message C1014, which states "Internal unit of measure & not supported," typically occurs when there is an issue with the unit of measure (UoM) configuration in the system. This error can arise in various contexts, such as during the creation of materials, sales orders, or when processing inventory transactions.
  Cause:
  
  Unsupported Unit of Measure: The unit of measure being used is not defined or supported in the system. This could happen if the UoM is not maintained in the relevant master data (like material master or customer/vendor master).
  Incorrect Configuration: The unit of measure may not be properly configured in the system settings, or it may not be linked correctly to the relevant material or transaction type.
  Missing Conversion Factors: If the UoM is defined but lacks the necessary conversion factors to other units of measure, it can lead to this error.
  Data Inconsistencies: There may be inconsistencies in the data, such as using a UoM that is not valid for the specific transaction or context.
  
  Solution:
  
  
  Check UoM Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) to check if the unit of measure is defined and properly configured.
  Ensure that the UoM is maintained in the relevant master data (e.g., material master using transaction code MM02).
  
  
  
  Maintain Conversion Factors:
  
  If the UoM is defined but lacks conversion factors, you can add the necessary conversion factors in the UoM settings.
  
  
  
  Review Material Master:
  
  Use transaction code MM03 to view the material master and check the UoM settings. Ensure that the UoM is valid for the material and that it is correctly linked to the sales and purchasing views.
  
  
  
  Check Transaction Context:
  
  Ensure that the UoM being used is appropriate for the specific transaction you are trying to perform. For example, some UoMs may only be valid for certain types of transactions.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details related to the UoM configuration and any known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if it appears to be a system bug or requires deeper investigation.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of UoMs (base unit, sales unit, purchase unit, etc.) and how they relate to each other.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), and CUNI (Unit of Measure Conversion).
  SAP Notes: Check SAP Notes for any specific patches or updates related to UoM issues that may resolve the error.
  
  By following these steps, you should be able to identify and resolve the cause of the C1014 error in SAP.