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Question

What could be the reason for error "Some of the bill lines differ from the corresponding lines of the related purchase order. For details, review warnings in the lines."

  • August 12, 2026
  • 3 replies
  • 17 views

The AP Bill is generating a warning stating that some bill lines differ from the corresponding lines of the related Purchase Order. We have verified that the PO, Purchase Receipt, and AP Bill values are consistent, including the quantity, UOM, unit cost, amount, and PO line linkage. However, the detailed warning for the related PO line shows an Unbilled Quantity of 0.00 KG and an Unbilled Amount of 0.00 CAD, with a unit cost of 4.2000 CAD per KG. What else could be the reason for this. ?

3 replies

elijahr83
Jr Varsity I
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  • Jr Varsity I
  • August 12, 2026

The part that stands out is the Unbilled Qty and Unbilled Amount both being 0. That usually means Acumatica already considers that PO line fully billed.

I’d check whether there are any other released or unreleased AP documents tied to that PO/receipt line. Even if the quantities, cost, and amounts all match, Acumatica can still throw this warning if it thinks there is no remaining balance left to bill.

If there aren’t any other AP documents against it, then I’d start looking at whether the PO/AP billing linkage somehow got out of sync.


smilner3
Varsity I
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  • Varsity I
  • August 12, 2026

Elijah's got it — the zeros are the tell.

To find what already billed that line, two spots worth checking: the PO History tab on PO301000 (receipts on the left, AP documents on the right), and Purchase Order Receipt and Billing History (PO643000) off the PO's More menu. Between them you'll see every AP document sitting against that PO, released or not.

One setting worth knowing too: PO101000, General tab, Three-Way Match Validation → Bill Against Commitments. That's the switch for validating AP bill lines against POs, so it's useful to know how yours is set.


  • Author
  • Freshman I
  • August 12, 2026

@smilner3 ,Thanks for the response. There were no other bills created for this.  Three-Way Match Validation is set to as Validate with Warning.