How To Fix VT816 - Billing quantity 'F' must be used for item category billing relevance 'F'

VT816 - Overview

• Message type: E = Error

• Message class: VT - Vertriebstabellen

• Message number: 816

• Message text: Billing quantity 'F' must be used for item category billing relevance 'F'

&CAUSE& In invoice-receipt related billing for third-party processing,
the following must be taken into consideration: You must check the
billing reference for the item category, if this is 'F' (structure of
billing index for invoice receipt). The billing quantity 'F' must be in
Customizing, for copying control. (Invoiced receipt quantity - billing
quantity). The billing index is first put together via the invoice
receipt. &SYSTEM_RESPONSE& &WHAT_TO_DO& &SYS_ADMIN&

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message VT816 - Billing quantity 'F' must be used for item category billing relevance 'F' ?

  The SAP error message VT816 indicates that there is a mismatch in the billing quantity type for a specific item category in a billing document. The error message specifically states that the billing quantity 'F' (which typically stands for "fixed quantity") must be used for item categories that have a billing relevance set to 'F'.
  
  Cause:
  
  Item Category Configuration: The item category in question is configured to require a fixed billing quantity, but the billing document is attempting to use a different quantity type (e.g., variable or other types).
  Billing Document Data: The data entered in the billing document does not match the expected billing quantity type for the item category.
  Master Data Issues: The material master or customer master data may have incorrect settings that lead to this mismatch.
  
  
  Solution:
  
  
  Check Item Category Settings:
  
  Go to the configuration settings for the item category in the SAP system (Transaction code: VOV7).
  Verify that the billing relevance is set