when you place the storge box with the schematic you get the buggy version of the storge box and when you set it in void mode the game crashes the same thing happens when you try to scroll
so as you can see the storage box has less item slots
By default, the schematicannon clears the data of placed block entities. You can implement IPartialSafeNBT on the BlockEntity and copy everything except items over in writeSafe
when you place the storge box with the schematic you get the buggy version of the storge box and when you set it in void mode the game crashes the same thing happens when you try to scroll
so as you can see the storage box has less item slots
crash report void mode crash-2024-06-08_18.21.43-server.txt
crash report scroll crash-2024-06-08_18.16.32-client.txt