How To Fix C4024 - Internal base unit "&" does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: C4 - CTMS_SYNTAX_CHECK

• Message number: 024

• Message text: Internal base unit "&" does not exist

What causes this issue?

You entered base unit &v1&, which is not defined. This is due to an
internal error, as units which were maintained in the IMG no longer
exist.

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 check the entries in the IMG for units of measurement.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C4024 - Internal base unit "&" does not exist ?

  The SAP error message C4024, which states "Internal base unit '&' does not exist," 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 material master data processing, inventory management, or when performing transactions that involve units of measure.
  Cause:
  
  Missing Base Unit of Measure: The specified base unit of measure for a material does not exist in the system. This can happen if the unit of measure was deleted or not properly defined.
  Incorrect Configuration: The material master may have been incorrectly configured, leading to a mismatch between the expected and actual units of measure.
  Data Inconsistency: There may be inconsistencies in the data, such as a mismatch between the unit of measure defined in the material master and the one being used in transactions.
  Custom Development Issues: If there are custom programs or enhancements, they may not be handling units of measure correctly.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the basic data view for the material in question.
  Ensure that the base unit of measure is correctly defined and exists in the system.
  
  
  
  Verify Unit of Measure Configuration:
  
  Use transaction code CUNI to access the unit of measure configuration.
  Check if the base unit of measure is defined and active. If it is missing, you may need to create it.
  
  
  
  Review Transaction Data:
  
  If the error occurs during a specific transaction, review the data being entered to ensure that the correct unit of measure is being used.
  
  
  
  Check for Custom Code:
  
  If there are any custom programs or enhancements, review the code to ensure that it correctly handles units of measure.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on unit of measure configuration and troubleshooting.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, units of measure are critical for inventory management, purchasing, and sales processes. Each material can have multiple units of measure, but it must have a defined base unit of measure.
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  
  By following these steps, you should be able to identify and resolve the cause of the C4024 error in SAP.