How To Fix M8314 - Subsequent debit/credit not allowed before invoice posting

M8314 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 314

• Message text: Subsequent debit/credit not allowed before invoice posting

What causes this issue?

You are entering an invoice as a subsequent debit/credit. This is not
allowed, because no invoice has been posted for this invoice item yet.

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?

Deselect the subsequent debit/credit indicator.

Error message extract from SAP system. Copyright SAP SE.

M8314 - Details

• The SAP error message M8314, "Subsequent debit/credit not allowed before invoice posting," typically occurs in the context of materials management and inventory accounting. This error indicates that there is an attempt to post a subsequent debit or credit for a material document before the corresponding invoice has been posted. 
  
  Cause:
  
  Invoice Not Posted: The primary cause of this error is that the invoice related to the goods movement has not yet been posted. In SAP, the invoice must be posted before any subsequent adjustments (debits or credits) can be made.
  Document Flow Issues: There may be issues in the document flow where the goods receipt (GR) has been posted, but the invoice receipt (IR) has not been completed.
  Configuration Settings: Certain configuration settings in the system may restrict the posting of subsequent debits or credits until the invoice is processed.
  
  
  Solution:
  
  Post the Invoice: Ensure that the invoice for the goods movement has been posted.