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java.lang.NullPointerException: 	at ninja.leaping.permissionsex.sponge.PermissionsExPlugin.cacheUserAsync(PermissionsExPlugin.java:197)	at org.spongepowered.common.event.listener.AuthListener_PermissionsExPlugin_cacheUserAsync14.handle(Unknown Source)	at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:86)	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:231)	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:275)	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:243)	at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:111)	at net.minecraft.server.network.NetHandlerLoginServer.fireAuthEvent(NetHandlerLoginServer.java:102)	at net.minecraft.server.network.NetHandlerLoginServer.fireAuthEventOffline(NetHandlerLoginServer.java:113)	at net.minecraft.server.network.NetHandlerLoginServer.func_147316_a(NetHandlerLoginServer.java:142)	at net.minecraft.network.login.client.C00PacketLoginStart.func_180773_a(SourceFile:33)	at net.minecraft.network.login.client.C00PacketLoginStart.func_148833_a(SourceFile:10)	at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:136)	at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:414)	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324)	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:153)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324)	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:153)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324)	at io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:149)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324)	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785)	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:132)	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:485)	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:452)	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:346)	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)	at java.lang.Thread.run(Thread.java:745)