Go to the locations shown in the images below and add the Transform variable shown in the images. Name them like shown in the images.

Next go to the BP_SuvivalGameSave blueprint and copy the video shown below.

Next go to the BP_InventorySaveSystem and follow the video shown below.

Next follow the 2 videos below, locations are at the tops of the videos.

Next go to the BP_StorageInventoryComponent then to the load save function. You will need to modify your function to look like the screenshots. I have split the images up as there are quite a few changes.

The next highlighted nodes where disconnected from the false pin of a branch and attached to the complete of the top loop node.

Once done change the Tolerances on the highlighted nodes in this image to 1 on all the inputs.