[18:43:01 WARN]: Unexpected exception from an event executor:
java.lang.OutOfMemoryError: GC overhead limit exceeded
[18:43:03 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'sgs' ' in plugin SurvivalGames v0.6.1
         at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spiigot.jar:git-Spigot-1322]
         at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:1775) ~[spigot.jar:git-Spigot-1322]
         at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServeer.java:704) ~[spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnnection.java:972) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.javaa:817) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.javaa:28) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChatt.java:65) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:1477) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.ServerConnection.c(ServerConnection.javaa:77) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:7700) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:2273) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:5562) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.javaa:469) [spigot.jar:git-Spigot-1322]
         at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:6617) [spigot.jar:git-Spigot-1322]
Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
[18:43:03 WARN]: Failed to handle packet for /198.50.158.134:58725