How To Fix MN900 - Billing document UoM is missing for item &2, settlement request &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 900

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MN900 - Billing document UoM is missing for item &2, settlement request &1 ?

  The SAP error message MN900 indicates that there is a missing Unit of Measure (UoM) for a billing document item in a settlement request. This error typically arises in the context of billing and settlement processes, particularly in industries like utilities or project management where billing documents are generated based on various items.
  Cause:
  
  Missing UoM in Master Data: The most common cause is that the relevant master data (such as material master, service master, or billing item) does not have a defined Unit of Measure.
  Incorrect Configuration: There may be configuration issues in the billing document or settlement request settings that do not properly link the items to their respective UoM.
  Data Inconsistencies: There could be inconsistencies in the data entered for the billing document or settlement request, leading to missing or incorrect UoM entries.
  Incomplete Document Creation: The billing document may not have been fully created or saved, leading to missing information.
  
  Solution:
  
  Check Master Data: Verify that the relevant master data (material, service, etc.) has a defined Unit of Measure. You can do this by navigating to the material or service master record in SAP and checking the UoM settings.
  Review Billing Document: Open the billing document in question and check if the items have a UoM assigned. If not, you may need to edit the document to include the missing UoM.
  Configuration Settings: Review the configuration settings for billing and settlement processes in the SAP system. Ensure that the settings correctly link items to their UoM.
  Data Consistency Check: Run data consistency checks to identify any discrepancies in the billing document or settlement request. This can help pinpoint where the missing UoM issue is originating.
  Recreate the Document: If the document is incomplete or corrupted, consider recreating the billing document or settlement request from scratch to ensure all necessary information is included.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM03 (Display Material), VA03 (Display Sales Order), or VF03 (Display Billing Document) to check the relevant data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Authorization: Ensure that you have the necessary authorizations to view and edit the master data and billing documents.
  Consult Documentation: Refer to SAP documentation or help files for more detailed information on billing document processing and UoM settings.
  
  By following these steps, you should be able to identify the cause of the MN900 error and implement the necessary solutions to resolve it.