[21:52:09] [Server thread/INFO]: Stopping the server
[21:52:09] [Server thread/INFO]: Stopping server
...
[21:52:09] [Server thread/INFO]: Stopping internal HTTP server.
[21:52:10] [User Authenticator #240/INFO]: Disconnecting com.mojang.authlib.GameProfile@4ef9b3ce[id=05d7fdc0-fddc-45b0-a880-af2ec01ef777,name=MorbidEyeNinurta,properties={textures=[com.mojang.authlib.properties.Property@403e55b9]},legacy=false] (/174.81.35.216:58419): Failed to verify username!
[21:52:10] [User Authenticator #240/WARN]: Exception verifying MorbidEyeNinurta
java.lang.IllegalStateException: AsyncPlayerPreLoginEvent cannot be triggered asynchronously from primary server thread.
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:568) ~[spigot-1.16.1.jar:git-Spigot-6f4ff1b-983305b]
	at net.minecraft.server.v1_16_R1.LoginListener$LoginHandler.fireEvents(LoginListener.java:270) ~[spigot-1.16.1.jar:git-Spigot-6f4ff1b-983305b]
	at net.minecraft.server.v1_16_R1.LoginListener$2.run(LoginListener.java:220) [spigot-1.16.1.jar:git-Spigot-6f4ff1b-983305b]
[21:52:11] [User Authenticator #241/INFO]: Disconnecting com.mojang.authlib.GameProfile@44355a35[id=21804c24-1938-4cfd-9e05-bceafac71d5d,name=ShadowFenn,properties={textures=[com.mojang.authlib.properties.Property@4af2ad1b]},legacy=false] (/82.43.51.36:51669): Failed to verify username!
[21:52:11] [User Authenticator #241/WARN]: Exception verifying ShadowFenn
java.lang.IllegalStateException: AsyncPlayerPreLoginEvent cannot be triggered asynchronously from primary server thread.
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:568) ~[spigot-1.16.1.jar:git-Spigot-6f4ff1b-983305b]
	at net.minecraft.server.v1_16_R1.LoginListener$LoginHandler.fireEvents(LoginListener.java:270) ~[spigot-1.16.1.jar:git-Spigot-6f4ff1b-983305b]
	at net.minecraft.server.v1_16_R1.LoginListener$2.run(LoginListener.java:220) [spigot-1.16.1.jar:git-Spigot-6f4ff1b-983305b]
...
[21:52:11] [Server thread/INFO]: Saving players
[21:52:12] [Server thread/INFO]: Saving worlds
[21:52:12] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world]'/minecraft:overworld
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world_nether]'/minecraft:the_nether
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world_the_end]'/minecraft:the_end
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[backup]'/minecraft:backup
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (backup): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[backup_nether]'/minecraft:backup_nether
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[backup_the_end]'/minecraft:backup_the_end
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world_arena]'/minecraft:world_arena
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world_arena): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[minigame_quests]'/minecraft:minigame_quests
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (minigame_quests): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world_sky]'/minecraft:world_sky
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world_sky): All chunks are saved
[21:52:13] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world_obfuscator]'/minecraft:world_obfuscator
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world_obfuscator): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (backup): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world_arena): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (minigame_quests): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world_sky): All chunks are saved
[21:52:13] [Server thread/INFO]: ThreadedAnvilChunkStorage (world_obfuscator): All chunks are saved
[21:52:13] [Server thread/ERROR]: java.lang.NullPointerException