Bukkit

file latest.log:

[18:29:08] [Server thread/ERROR]: Could not pass event PlayerPortalEvent to LobbyAPI v3.7.104[18:29:08] [Server thread/ERROR]: Could not pass event PlayerPortalEvent to LobbyAPI v3.7.104org.bukkit.event.EventException: null at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:529) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:514) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityPlayer.a(EntityPlayer.java:748) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.Entity.doPortalTick(Entity.java:2051) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.Entity.entityBaseTick(Entity.java:383) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityLiving.entityBaseTick(EntityLiving.java:240) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.Entity.tick(Entity.java:358) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityLiving.tick(EntityLiving.java:2265) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityHuman.tick(EntityHuman.java:162) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityPlayer.playerTick(EntityPlayer.java:399) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.PlayerConnection.tick(PlayerConnection.java:143) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.NetworkManager.a(NetworkManager.java:224) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.ServerConnection.c(ServerConnection.java:129) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1105) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:399) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:984) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:824) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]Caused by: java.lang.NullPointerException at me.zombie_striker.lobbyapi.Main.handlePortalConversion(Main.java:480) ~[?:?] at me.zombie_striker.lobbyapi.Main.onTeleport(Main.java:448) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_251] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_251] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_251] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_251] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:316) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] ... 19 more

more:

[18:24:23] [Server thread/ERROR]: Could not pass event PlayerPortalEvent to LobbyAPI v3.7.104[18:24:23] [Server thread/ERROR]: Could not pass event PlayerPortalEvent to LobbyAPI v3.7.104org.bukkit.event.EventException: null at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:529) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:514) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityPlayer.a(EntityPlayer.java:748) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.Entity.doPortalTick(Entity.java:2051) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.Entity.entityBaseTick(Entity.java:383) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityLiving.entityBaseTick(EntityLiving.java:240) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.Entity.tick(Entity.java:358) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityLiving.tick(EntityLiving.java:2265) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityHuman.tick(EntityHuman.java:162) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.EntityPlayer.playerTick(EntityPlayer.java:399) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.PlayerConnection.tick(PlayerConnection.java:143) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.NetworkManager.a(NetworkManager.java:224) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.ServerConnection.c(ServerConnection.java:129) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1105) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:399) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:984) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:824) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]Caused by: java.lang.IllegalArgumentException: Cannot use null location with null world! at com.google.common.base.Preconditions.checkArgument(Preconditions.java:122) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.event.player.PlayerMoveEvent.validateLocation(PlayerMoveEvent.java:98) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.event.player.PlayerMoveEvent.setTo(PlayerMoveEvent.java:92) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at me.zombie_striker.lobbyapi.Main.onTeleport(Main.java:452) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_251] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_251] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_251] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_251] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:316) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] ... 19 more[18:24:25] [Server thread/WARN]: [LobbyAPI] Task #117111 for LobbyAPI v3.7.104 generated an exceptionjava.lang.NullPointerException: null at me.zombie_striker.lobbyapi.Main$5.run(Main.java:526) ~[?:?] at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:81) ~[spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:394) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1036) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:399) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:984) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:824) [spigot-1.15.2.jar:git-Spigot-800b93f-8160e29] at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]