Saw someone post about the transfer tool, but their issue seem to be different from mine.

Items that are indicated to be transferred from one source to another simply don't transfer. For example: I choose polymer to be transferred from my inventory to my storage, but it transfers 0 items as if I don't have polymer in my inventory. The same thing happens with other particular items from various sources of inventories (dino to storage, storage 1 to storage 2, etc.), it doesn't matter. It's like there's a handful of items that this part of the mod doesn't recognize as being there to be transferred.

Just to add- when I use the simple transfer feature of pressing RMB at source then LMB to transfer, all items *do* get transferred. It's only when I'm using the method where you choose items from a dropdown list that the issue seems to happen.