Online orders processing and Inventory issue

Shopify Discussion

Topic summary

Issue: Online orders are being allocated from a location with zero stock, creating negative inventory, even though the item exists in another location with stock.

Expected vs. observed behavior:

  • Expected: Shopify should check locations in priority order and deduct inventory from the first location that has stock.
  • Observed: The system appears to deduct from the first location in the list even when it has no stock, instead of using the lower-priority location that does have stock.

Key details:

  • “Locations” refers to multiple stores/warehouses with separate inventory counts.
  • “Negative quantity” indicates inventory is being reduced below zero at a location that doesn’t have the item.

Impact: Causes stock inaccuracies and potential fulfillment confusion.

Request: The poster asks why this happens and how to fix it (e.g., understanding allocation logic or configuration to prevent wrong-location deductions).

Status: No explanation or solution provided yet; the question remains open. No images or attachments are central to understanding the issue.

Summarized with AI on February 18. AI used: gpt-5.
1

Greetings! I need help trying to clarify something that has happened a few times in our online store. When an online order comes up and is processed the shopify system has been taking the ordered item from a location that doesn’t have said item available in stock. The way we see it the system goes on a default order of locations to check where the ordered item is available to take. In reality the item is available on the bottom location (store) of said item check order (store 1 doesn’t have > store 2 doesn’t have it > store 3 doesn’t have it and it keeps on checking until it finds the store that DO have it) For some reason it didn’t take the item from the bottom store which is the one that ACTUALLY has that item and instead proceeded to take it from the 1st store which doesn’t have that item and therefore shows up in negative quantity.

Is there anyway to understand why it’s doing this and if there is some way to solve this problem? Thanks in advance.