How To Fix MN800 - Billing document UoM is missing for item &2, settlement document &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 800

• Message text: Billing document UoM is missing for item &2, settlement document &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MN800 - Billing document UoM is missing for item &2, settlement document &1 ?

  The SAP error message MN800 indicates that there is a missing Unit of Measure (UoM) for a billing document item in the context of a settlement document. This error typically arises during the billing process when the system expects a UoM for a specific item but cannot find it.
  Cause:
  
  Missing UoM in Master Data: The most common cause is that the material master or the billing document item does not have a defined UoM.
  Incorrect Configuration: There may be issues with the configuration settings in the system related to the billing document or the material.
  Data Inconsistencies: There could be inconsistencies in the data between the sales order, delivery, and billing document.
  Incomplete Document: The billing document may not have been fully populated with all necessary data before processing.
  
  Solution:
  
  
  Check Material Master: 
  
  Go to the material master record (transaction code MM03) and ensure that the UoM is defined for the relevant material.
  Verify that the UoM is correctly set up in the sales view and that it matches the expected UoM for billing.
  
  
  
  Review Billing Document:
  
  Check the billing document (transaction code VF03) to see if the item in question has a UoM assigned.
  If the UoM is missing, you may need to recreate the billing document or adjust the item details.
  
  
  
  Configuration Settings:
  
  Review the configuration settings in the SAP system related to billing and sales documents. Ensure that the UoM settings are correctly defined in the relevant customizing transactions (e.g., OMO1 for sales document types).
  
  
  
  Data Consistency Check:
  
  Ensure that the sales order and delivery documents are consistent and that the UoM is correctly transferred from the sales order to the billing document.
  If there are discrepancies, you may need to correct the sales order or delivery.
  
  
  
  Recreate the Document:
  
  If the issue persists, consider recreating the billing document after ensuring that all necessary data is correctly populated.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  VF03: Display Billing Document
  VA03: Display Sales Order
  VL03N: Display Outbound Delivery
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Review SAP documentation related to billing processes and UoM settings for further insights.
  
  
  By following these steps, you should be able to identify the root cause of the MN800 error and implement the necessary corrections to resolve it.