Hi labmotionsystems, jef uytterhoeven

When you confirm a PO from the replenishment report, Odoo creates a chained stock transfer:

Vendor → WH/Input → WH/Inventory/Stock

These two transfers are linked via a procurement group. However when you modify or cancel the PO afterwards, Odoo only updates or cancels the first transfer (Vendor → WH/Input) and leaves the second transfer (WH/Input → WH/Inventory/Stock) untouched and open.

This causes two problems exactly as you described:

• The open transfers pile up indefinitely and clutter your operations
• The reordering rules still count those open transfers as incoming supply, so replenishment thinks stock is on its way when it is not

Fix 1 — Change the Route to Use a Single Step Reception

Consider changing the route for manufacturing replenishment to receive directly into WH/Inventory/Stock instead of going through WH/Input. This eliminates the chained transfer entirely and means the PO receipt goes straight to the correct location:

Vendor → WH/Inventory/Stock  (single step, no intermediate transfer)

Go to Inventory → Configuration → Warehouses and set incoming shipments to Receive goods directly for the manufacturing route. You can keep the two-step route only for the cage/project flow.

Fix 2 — Add a Server Action to Automate the Cleanup

Create an automated action that cancels downstream transfers when a PO is cancelled: 

Plain Text

# Automated Action on purchase.order # Trigger: When record is updated # Before update filter: state != 'cancel' # Filter: state = 'cancel'  for order in records:     domain = [         ('origin', 'like', order.name),         ('state', 'in', ['confirmed', 'assigned', 'waiting']),         ('location_dest_id.complete_name', 'ilike', 'WH/Inventory')     ]     transfers = env['stock.picking'].search(domain)     transfers.action_cancel()

This automatically cancels any open internal transfers going to WH/Inventory when the originating PO is cancelled.

Fix 3 — Cancel Downstream Transfers Manually When Cancelling a PO

When you cancel or significantly change a PO:

1. Open the PO and note the Source Document reference
2. Go to Inventory → Operations → Transfers
3. Filter by Source Document matching your PO reference
4. Cancel all transfers that are still in Ready or Waiting state

This clears the queue and lets the reordering rules recalculate correctly.

If you have any questions, feel free to reach out.

Hope this helps!

Thanks and Regards,

Email: odoo@aktivsoftware.com