>.... [15:10:44 ERROR]: Block at 236, 24, 171 is Block{minecraft:stone} but has net.minecraft.server.v1_15_R1.TileEntityChest@3acb70f2. Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.
>.... [15:10:44 WARN]: Tried to load a DUMMY block entity @ BlockPosition{x=236, y=24, z=171} but found not block entity block Block{minecraft:stone} at location
>.... [15:10:44 WARN]: Tried to load a block entity for block Block{minecraft:stone} but failed at location BlockPosition{x=236, y=24, z=171}