3D Inventory System, Unable to create a second item on a plane

I’m following a tutorial to create a 3D Inventory system like Sons of the Forest, the tutorial is made by Patsanoob on Youtube : https://www.youtube.com/watch?v=2b-uCLA02Yo

Now the tutorial works perfectly but he didn’t try and add a second item to the inventory and it’s causing a bug for me that I’ve located on the blueprints but I’m not sure what to change
I’m guessing it has to do with the loop since one item works perfectly but it breaks with a second one and I’ve tried only adding the second item and it works perfectly

Here’s the location of the issue in my Actor Component of the Layer where the items are placed :

It prints the Debug string for the second item upon opening the inventory

ST_Inventory :

The Item I want to make appear :