# Inventory Qty owned bug

**URL:** <https://forum.manager.io/t/inventory-qty-owned-bug/45879>\
**Category:** Uncategorized\
**Created:** [March 13, 2023, 5:39am UTC](https://forum.manager.io/t/inventory-qty-owned-bug/45879 "2023-03-13T05:39:55Z")\
**Posts on this page:** 1\
**Showing post:** 43

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**Author:** ![shahabb](https://avatars.discourse-cdn.com/v4/letter/s/838e76/32.png) [@shahabb](https://forum.manager.io/u/shahabb)\
**Post date:** [June 14, 2024, 1:13pm UTC](https://forum.manager.io/t/inventory-qty-owned-bug/45879/43 "2024-06-14T13:13:05Z")

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> [@Purchase orders Qty on order is negative](https://forum.manager.io/t/purchase-orders-qty-on-order-is-negative/54273/8):
>
> @lubos this issue of negative qty is because of double deductions. As in new workflow you have to check the Column-Qty Delivered to tell the system not to deduct /add qty on hand (Or just add/deduct the qty which is mentioned in the new column). So our all previous invoices doesnt have that column so both invoices and delivery notes/Goods receipts are changing qty on hand hence deducting/adding qty twice. I was able to correct this using Batch Updating all invoices for which delivery notes/good…

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