How To Fix CFDI028 - Maintain Unit of Measure Code for the value &

SAP Error Message - Details

• Message type: E = Error

• Message class: CFDI - MX: CFDI Message Class

• Message number: 028

• Message text: Maintain Unit of Measure Code for the value &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFDI028 - Maintain Unit of Measure Code for the value & ?

  The SAP error message CFDI028, which states "Maintain Unit of Measure Code for the value &," typically occurs in the context of the SAP system when dealing with the Mexican CFDI (Comprobante Fiscal Digital por Internet) electronic invoicing process. This error indicates that there is a missing or incorrect unit of measure (UoM) code for a specific value in the invoice or document being processed.
  Cause:
  
  Missing Unit of Measure: The most common cause is that the unit of measure for a particular item or value in the invoice is not maintained in the system.
  Incorrect Configuration: The unit of measure may not be correctly configured in the material master or in the relevant settings for the CFDI process.
  Data Entry Error: There may be a data entry error where the unit of measure was not entered or was entered incorrectly.
  
  Solution:
  
  Check Material Master: Ensure that the unit of measure is correctly defined in the material master record for the item in question. You can do this by navigating to the material master (transaction code MM03) and checking the relevant views.
  Maintain Unit of Measure: If the unit of measure is missing, you can maintain it by using transaction code MM02 to edit the material master and add the appropriate unit of measure.
  Review Configuration: Check the configuration settings for the CFDI process in your SAP system. Ensure that the units of measure are correctly mapped and that the necessary settings are in place.
  Data Validation: Validate the data being sent in the CFDI document to ensure that all required fields, including the unit of measure, are populated correctly.
  Consult Documentation: Refer to SAP documentation or notes related to CFDI and unit of measure handling for any specific guidelines or updates.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling units of measure in the context of CFDI.
  Transaction Codes: Familiarize yourself with transaction codes such as MM03 (Display Material), MM02 (Change Material), and possibly others related to invoice processing and CFDI generation.
  User Exits and BAdIs: If custom logic is involved in the CFDI generation process, review any user exits or BAdIs that may affect how units of measure are handled.
  
  By following these steps, you should be able to resolve the CFDI028 error and ensure that the unit of measure is correctly maintained for the values in your SAP system.