[21:45:39 WARN]: [net.minecraft.world.item.component.CustomData] Serialization errors:
minecraft:shulker_box // net.minecraft.world.level.block.entity.ShulkerBoxBlockEntity@BlockPos{x=0, y=0, z=0}:
Failed to decode value '{Count:0b,Slot:0b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 0': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:1b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 1': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:2b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 2': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:3b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 3': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:4b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 4': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:5b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 5': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:6b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 6': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:21b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 21': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:22b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 22': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:23b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 23': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:24b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 24': Item must not be minecraft:air
[21:45:42 WARN]: [net.minecraft.world.item.component.CustomData] Serialization errors:
minecraft:shulker_box // net.minecraft.world.level.block.entity.ShulkerBoxBlockEntity@BlockPos{x=0, y=0, z=0}:
Failed to decode value '{Count:0b,Slot:0b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 0': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:1b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 1': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:2b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 2': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:3b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 3': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:4b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 4': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:5b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 5': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:6b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 6': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:21b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 21': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:22b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 22': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:23b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 23': Item must not be minecraft:air
Failed to decode value '{Count:0b,Slot:24b,id:"minecraft:air",tag:{"VV|Protocol1_20_3To1_20_5":1b}}' from field 'Items' at index 24': Item must not be minecraft:air