How To Fix M8424 - Data in invoice is inconsistent: &

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 424

• Message text: Data in invoice is inconsistent: &

What causes this issue?

The system discovered an inconsistency in the data status of the
invoice or its follow-on documents before the invoice document was
posted.

System Response

The systems issues an error message and terminates the posting
transaction.

How to fix this error?

In most cases this error will not occur again. Try to post the document
again.
If this error message reappears, note your actions and entries that
have lead to this error.

Procedure for System Administrators

Contact you SAP administrator to process this problem further.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8424 - Data in invoice is inconsistent: & ?

  The SAP error message M8424, which states "Data in invoice is inconsistent: &," typically indicates that there is a mismatch or inconsistency in the data related to an invoice. This error can occur in various scenarios, such as during invoice verification, posting, or when processing invoices in the Materials Management (MM) module.
  Causes of Error M8424
  
  
  Data Mismatch: There may be discrepancies between the invoice data and the purchase order or goods receipt data. This can include differences in quantities, prices, or material numbers.
  
  
  Missing Information: Required fields in the invoice may be missing or incorrectly filled out, leading to inconsistencies.
  
  
  Document Status: The status of the related documents (like purchase orders or goods receipts) may not be compatible with the invoice being processed.
  
  
  Currency Issues: If there are currency differences between the invoice and the related documents, this can lead to inconsistencies.
  
  
  Account Assignment Issues: Incorrect account assignments or missing account assignment information can also trigger this error.
  
  
  Solutions to Resolve Error M8424
  
  
  Check Invoice Data: Review the invoice details to ensure that all required fields are filled out correctly and that the data matches the corresponding purchase order and goods receipt.
  
  
  Verify Purchase Order and Goods Receipt: Ensure that the purchase order and goods receipt are correctly entered and that their statuses are appropriate for invoice processing.
  
  
  Correct Quantity and Price: Make sure that the quantities and prices in the invoice match those in the purchase order and goods receipt.
  
  
  Review Account Assignments: Check the account assignments in the invoice to ensure they are correct and complete.
  
  
  Currency Consistency: Ensure that the currency used in the invoice matches the currency in the purchase order and goods receipt.
  
  
  Consult SAP Documentation: If the issue persists, refer to SAP documentation or consult with your SAP support team for further troubleshooting.
  
  
  Related Information
  
  Transaction Codes: You may need to use transaction codes like MIRO (Invoice Verification) or MIR4 (Display Invoice) to review and correct the invoice data.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to error M8424.
  User Exits and BAdIs: If custom logic is involved, review any user exits or BAdIs that may affect invoice processing.
  
  If you continue to experience issues after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert for more in-depth analysis and resolution.