How To Fix AA421 - Net posting active, value has not yet been reduced by cash discount

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 421

• Message text: Net posting active, value has not yet been reduced by cash discount

What causes this issue?

The definition for document type &V1& specifies that the amount
entered should be reduced by the amount of the cash discount.
The amount that is actually to be posted, after the deduction of the
cash discount, is determined only when the document is posted (F11) or
when the function "Simulate document" (under the menu option
"Document") is carried out.
If you manually enter a different posting amount for a depreciation
area, this amount is not reduced by the corresponding cash discount
percentage rate.

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?

If you want to display the values adjusted by the amount of the
cash discount, first create all the line items, and then use the
function <LS>Simulate document</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AA421 - Net posting active, value has not yet been reduced by cash discount ?

  The SAP error message AA421 ("Net posting active, value has not yet been reduced by cash discount") typically occurs in the context of asset accounting when there is an attempt to post a transaction that involves a cash discount, but the system is configured to handle net postings. This error indicates that the cash discount has not been applied to the asset value before the posting is made.
  
  Cause:
  
  Net Posting Configuration: The asset accounting configuration is set to allow net postings, which means that the system expects the cash discount to be applied before the posting is made.
  Missing Cash Discount: The transaction being posted does not include the cash discount, or the cash discount has not been properly calculated or applied.
  Incorrect Asset Master Data: The asset master data may not be set up correctly to handle cash discounts.
  
  
  Solution:
  
  Check Cash Discount Settings: Ensure that the cash discount is correctly defined in the