Tile Entity Help 1.15.2

[Ronaldi2001]

Im trying to create a block where you put in an item and the block reads the nbt on that item and puts different items in other slots, and when those other items are places in the slots it updates the nbt of the original item? I have a tile entity designed but when I put the item in the game crashes due to ticking block. I want to start fresh but dont know how to succeed without being in the same boat.

[poopoodice]

Post your code and the log.