grid is empty

I'm not sure I understand 100%.
But I think what you want is to set "Use Grid Index" to false on the Inventory Grid component
 
Then I'm afraid we don't have something that does what you want out of the box.
You could try to implement a solution for yourself. If you can explain step by step in detail how you want it to work I might be able to guide you to the right place were you can edit or override the code to make what you want
 
the equipped item always in last grid if i set "Use Grid Index " to false. if i make it true, it will empty when i move item to another collection1695655275868.png

1695655504959.png
 
Perhaps you want to make a custom sorter for your grid:
This is a custom script you can set to your Grid that will tell it how to order your items.

If you keep track of the order using your own script you'll have full control over their location in the Grid:
 
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