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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.

Likely root causes

  1. Invoice quantity is greater than ordered quantity.
  2. The wrong PO item is referenced.
  3. Earlier invoices already consumed the available PO quantity.

What to inspect

  1. PO quantity and invoice history.
  2. GR-based IV indicator on the PO item.
  3. Previous invoices/credit memos and open quantity.
  4. OMRM message control for M8 087.

Resolution path

  1. Correct the invoice quantity or PO reference if wrong.
  2. Change the PO quantity only when procurement has approved a genuine order change.
  3. Account for previous invoices/credit memos before reposting.
  4. Keep message control aligned with business policy.

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