Hello,
Recently I've been developing a framework for my mod to be built around, however, when added a 'test' tile entity with an inventory, I get an issue with the item in the slot not saving when leaving and rejoining.
Here are the snippets of code of the TE's NBT:
If you'd like to view the whole class or other classes, you can find it on my github: https://github.com/unassignedxd/plentifulutils
Thanks.