new crash issue? 1.16+ releated?

[BitcoinJake09]

[01:36:05] [Server thread/ERROR]: Block at 37, 51, 205 is Block{minecraft:emerald_block} but has net.minecraft.server.v1_16_R1.TileEntityChest@6605131. Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.
[01:36:07] [Server thread/ERROR]: Block at 37, 51, 205 is Block{minecraft:emerald_block} but has net.minecraft.server.v1_16_R1.TileEntityChest@6605131. Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.
[01:36:07] [Server thread/ERROR]: Block at 37, 51, 205 is Block{minecraft:emerald_block} but has net.minecraft.server.v1_16_R1.TileEntityChest@6605131. Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.
[01:36:08] [Server thread/ERROR]: Block at 38, 48, 198 is Block{minecraft:emerald_block} but has net.minecraft.server.v1_16_R1.TileEntityChest@9f749a8. Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.
[01:36:08] [Server thread/ERROR]: Block at 38, 48, 198 is Block{minecraft:emerald_block} but has net.minecraft.server.v1_16_R1.TileEntityChest@9f749a8. Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.
[01:36:08] [Server thread/ERROR]: Block at 38, 48, 198 is Block{minecraft:emerald_block} but has net.minecraft.server.v1_16_R1.TileEntityChest@9f749a8. Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.