[13:42:16] [Server thread/ERROR] [Sponge/]: Could not pass SaveWorldEvent$Post$Impl to Plugin{id=skyclaims, name=SkyClaims, version=0.0.1-alpha7, description=SkyClaims is an Island plugin that integrates with GriefPrevention for Sponge servers., authors=[Mohron, Cossacksman], source=/home/minecraft/multicraft/servers/SkyRealms3/./plugins/skyclaims-0.0.1-alpha7.jar}
java.lang.NullPointerException
	at net.mohron.skyclaims.island.Island.getClaimId(Island.java:72) ~[Island.class:?]
	at net.mohron.skyclaims.Database.saveData(Database.java:113) ~[Database.class:?]
	at net.mohron.skyclaims.SkyClaims.onWorldSave(SkyClaims.java:124) ~[SkyClaims.class:?]
	at org.spongepowered.common.event.listener.PostListener_SkyClaims_onWorldSave28.handle(Unknown Source) ~[?:?]
	at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.10.2-2171-5.1.0-BETA-2010]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:301) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:285) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:326) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:314) [SpongeModEventManager.class:1.10.2-2171-5.1.0-BETA-2010]
	at net.minecraft.world.WorldServer.handler$onSaveAllChunks$zjm000(WorldServer.java:825) [ls.class:?]
	at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1016) [ls.class:?]
	at org.spongepowered.common.world.WorldManager.saveWorld(WorldManager.java:514) [WorldManager.class:1.10.2-2171-5.1.0-BETA-2010]
	at net.minecraft.server.MinecraftServer.func_71267_a(MinecraftServer.java:695) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.constant$getSaveTickInterval$zhk000(MinecraftServer.java:650) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:632) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_72-internal]