[21:48:53] [Server thread/WARN]: [GameAPI] Task #2071 for GameAPI v2.0.1-SNAPSHOT b471 generated an exception
java.lang.NullPointerException
	at io.snw.gokarts.entity.kart.Kart.getLap(Kart.java:76) ~[?:?]
	at io.snw.gokarts.GoKartsTeam.compareTo(GoKartsTeam.java:161) ~[?:?]
	at java.util.ComparableTimSort.countRunAndMakeAscending(ComparableTimSort.java:290) ~[?:1.7.0_51]
	at java.util.ComparableTimSort.sort(ComparableTimSort.java:157) ~[?:1.7.0_51]
	at java.util.ComparableTimSort.sort(ComparableTimSort.java:146) ~[?:1.7.0_51]
	at java.util.Arrays.sort(Arrays.java:472) ~[?:1.7.0_51]
	at java.util.Collections.sort(Collections.java:155) ~[?:1.7.0_51]
	at io.snw.gokarts.GoKartsGameSession.updatePlaces(GoKartsGameSession.java:224) ~[?:?]
	at io.snw.gokarts.GoKartsGameSession.tick(GoKartsGameSession.java:328) ~[?:?]
	at io.snw.gameapi.engine.GameTicker.run(GameTicker.java:96) ~[?:?]
	at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java:53) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-1-gbafd450-b2975jnks]
	at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-1-gbafd450-b2975jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:587) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-1-gbafd450-b2975jnks]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-1-gbafd450-b2975jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-1-gbafd450-b2975jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-1-gbafd450-b2975jnks]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-1-gbafd450-b2975jnks]
un