M8 087
Invoice quantity greater than purchase order quantity
MIRO warns or errors because invoice quantity exceeds the PO quantity for an item that is not controlled by GR-based invoice verification.
Quick answer
- Most likely cause
- Invoice quantity is greater than ordered quantity.
- Check first
- PO quantity and invoice history.
- First resolution step
- Correct the invoice quantity or PO reference if wrong.
Likely root causes
- Invoice quantity is greater than ordered quantity.
- The wrong PO item is referenced.
- Earlier invoices already consumed the available PO quantity.
What to inspect
- PO quantity and invoice history.
- GR-based IV indicator on the PO item.
- Previous invoices/credit memos and open quantity.
- OMRM message control for M8 087.
Resolution path
- Correct the invoice quantity or PO reference if wrong.
- Change the PO quantity only when procurement has approved a genuine order change.
- Account for previous invoices/credit memos before reposting.
- Keep message control aligned with business policy.
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