Hello @wilfredcy
If you enable stock management with the Stock Location plugin enable you must manage the stock on the Stock Locations tab, like below:

But i cannot assign the stock quantity for each individual variation.
View post on imgur.com
As you can see the screenshots, the stock locations tab only have one stock set, in fact it got 5 different variations.
Hello @wilfredcy
Can you show me one variation settings?
Sorry didn’t see the reply.
Here s the setting
View post on imgur.com
Hello @wilfredcy
Everything seems fine but i see new fields on the last screenshot “Max Quantity per Order” and “Initial number in stock” that aren’t from WooCommerce core plugin. Are you using another plugin for stock management?
Yes, we using ATUM Inventory Management for WooCommerce
Sorry, is not he ATUM plugin, it a another plugin called “WooCommerce Max Quantity”
But the problem is as you can see the screenshot below
View post on imgur.com
I have 5 variations for the product but in the Stock Locations section, it only shows one set of locations.
Hello @wilfredcy
I’m not able to reproduce that issue, please send me an email, i will try my best to help you.