Remove the highlighed nodes shown in the image below make sure you connect the execute pins to the rest of the code after deleting the highlighted nodes, location at the top of the screenshots.

Next add the highlighted nodes shown in the image below, location at the top of the screenshot.

Next select the the highlighted node in the image below, location at the top of the screenshot and add a new input called Force and set it to Boolean, then compile.

Then add the highlighted nodes shown in the image below, location at the top of the screenshot.

Next go to the BP_InventorySaveSystem and create a new function called Load Placeable Saves and copy the image below.

Then add the new function in the place shown in the image below, location at the top of the screenshot.