> [02:23:50 ERROR]: Could not pass event InventoryClickEvent to Apolloarena v0.1
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:338) ~[JavaPluginLoader$1.class:1.7.10-1614.58]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[RegisteredListener.class:1.7.10-1614.58]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507) [SimplePluginManager.class:1.7.10-1614.58]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492) [SimplePluginManager.class:1.7.10-1614.58]
at net.minecraft.network.NetHandlerPlayServer.func_147351_a(NetHandlerPlayServer.java:2069) [nh.class:?]
at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:32) [ix.class:?]
at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:10) [ix.class:?]
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:245) [ej.class:?]
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:181) [nc.class:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:1023) [MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432) [lt.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
Caused by: java.lang.IllegalArgumentException: Name cannot be null
at org.apache.commons.lang.Validate.notNull(Validate.java:192) ~[Validate.class:2.6]
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.getWorld(CraftServer.java:1046) ~[CraftServer.class:1.7.10-1614.58]
at org.bukkit.Bukkit.getWorld(Bukkit.java:273) ~[Bukkit.class:1.7.10-1614.58]
at de.byteflow.utils.Teleportmanager.getlocation(Teleportmanager.java:94) ~[?:?]
at de.byteflow.utils.ICEutils.onICE(ICEutils.java:19) ~[?:?]
at de.byteflow.listeners.InventoryClickE.onClick(InventoryClickE.java:46) ~[?:?]
at sun.reflect.GeneratedMethodAccessor185.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_212]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_212]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:334) ~[JavaPluginLoader$1.class:1.7.10-1614.58]
... 13 more