Hello, 

I m on version 18.4 and I have the same issue. It’s a bug identified by Odoo. A solution could be : Change the  route MTO, change the rule’s replenishment method :  WH to customers from : take from stock, trigger another rules to take from stock only. 

Hope it will help you ! 

Hello Theron Boerner, 

As per my understanding you want to create Draft MO, whenever you confirm the SO, so later on you can select different BOM. I am not sure on the use case, but I tested this flow with Routes (MTO and Manufacturing) and working fine for me. 

Steps I followed, 

1: Created new product, in BOM kept blank, in Product routes under inventory selected (MTO and Manufacturing)

2: Now when I confirm SO, it will create Draft MO, in which you can select BOM

Please let me know if this works for you. Good luck!!!

Is there any solution to his topic? We have the same problem. We need to have some manufacturing orders in the status of draft to decide which BOM to use. In Odoo 17 this worked fine, why is this changed and is there a way to get back to the old behaviour?