How To Fix M8078 - Value entered greater than value still to be invoiced

M8078 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 078

• Message text: Value entered greater than value still to be invoiced

What causes this issue?

For the <GL:delivery_costs>delivery costs</>, you have entered a larger
amount than the amount to be invoiced.

How to fix this error?

Check your input and correct it if necessary. You may have to choose
"Cancel" and call up the function ""Select delivery costs" again to
obtain the correct default values.

Error message extract from SAP system. Copyright SAP SE.

M8078 - Details

• The SAP error message M8078 ("Value entered greater than value still to be invoiced") typically occurs in the context of materials management and invoicing processes. This error indicates that the value you are trying to enter for an invoice exceeds the amount that is still available to be invoiced for a particular purchase order or goods receipt.
  
  Cause:
  
  Over-Invoicing: You are attempting to invoice more than the quantity or value that has been received or is still open for invoicing.
  Goods Receipt Issues: The goods receipt for the purchase order may not have been posted correctly, or there may be discrepancies between the received quantity and the invoiced quantity.
  Partial Deliveries: If there have been partial deliveries, the system will only allow invoicing for the amount that has been delivered and not for the total order quantity.
  Incorrect Purchase Order Data: The purchase order may have been modified, or there may be errors in the