[16:59:43 WARN]: [DiscoFloor] Plugin DiscoFloor v1.4.0 generated an exception while executing task 7263
java.lang.IllegalStateException: Asynchronous ChunkMapDistance::addTicket!
at org.spigotmc.AsyncCatcher.catchOp(AsyncCatcher.java:15) ~[patched_1.15.2.jar:git-Paper-345]
at net.minecraft.server.v1_15_R1.ChunkMapDistance.addTicket(ChunkMapDistance.java:158) ~[patched_1.15.2.jar:git-Paper-345]
at net.minecraft.server.v1_15_R1.ChunkMapDistance.addTicket(ChunkMapDistance.java:311) ~[patched_1.15.2.jar:git-Paper-345]
at net.minecraft.server.v1_15_R1.ChunkProviderServer.addTicket(ChunkProviderServer.java:958) ~[patched_1.15.2.jar:git-Paper-345]
at org.bukkit.craftbukkit.v1_15_R1.CraftWorld.getChunkAt(CraftWorld.java:402) ~[patched_1.15.2.jar:git-Paper-345]
at org.bukkit.craftbukkit.v1_15_R1.CraftWorld.getChunkAt(CraftWorld.java:410) ~[patched_1.15.2.jar:git-Paper-345]
at org.bukkit.craftbukkit.v1_15_R1.block.CraftBlock.getChunk(CraftBlock.java:128) ~[patched_1.15.2.jar:git-Paper-345]
at de.myzelyam.discofloor.BlockChangePacketMgr$1.run(BlockChangePacketMgr.java:64) ~[?:?]
at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:99) ~[patched_1.15.2.jar:git-Paper-345]
at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) ~[patched_1.15.2.jar:git-Paper-345]
at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.15.2.jar:git-Paper-345]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) [?:?]
at java.lang.Thread.run(Thread.java:832) [?:?]