Hi, we have a problem with our server, here is the error saw in console:

0.07 20:02:54 [Server] ERROR net.minecraft.server.v1_9_R1.NetworkManager.a(NetworkManager.java:193) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:95) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:127) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.ChannelInjector$5.onMessageScheduled(ChannelInjector.java:330) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.ChannelInjector$5.handleScheduled(ChannelInjector.java:362) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.ChannelInjector.access$500(ChannelInjector.java:77) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:396) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketSending(ProtocolInjector.java:269) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.netty.ProtocolInjector.packetQueued(ProtocolInjector.java:309) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:584) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:608) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149) 10.07 20:02:54 [Server] ERROR com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195) 10.07 20:02:54 [Server] ERROR com.lishid.orebfuscator.hook.ProtocolLibHook$1.onPacketSending(ProtocolLibHook.java:58) 10.07 20:02:54 [Server] ERROR com.lishid.orebfuscator.obfuscation.Calculations.obfuscateOrUseCache(Calculations.java:49) 10.07 20:02:54 [Server] ERROR com.lishid.orebfuscator.obfuscation.Calculations.tryUseCache(Calculations.java:276) 10.07 20:02:54 [Server] ERROR com.lishid.orebfuscator.cache.ObfuscatedCachedChunk.read(ObfuscatedCachedChunk.java:72) 10.07 20:02:54 [Server] ERROR com.lishid.orebfuscator.cache.ObfuscatedDataCache.getInputStream(ObfuscatedDataCache.java:75) 10.07 20:02:54 [Server] ERROR com.lishid.orebfuscator.nms.v1_9_R1.ChunkCache.getInputStream(ChunkCache.java:29) 10.07 20:02:54 [Server] ERROR net.minecraft.server.v1_9_R1.RegionFile.a(RegionFile.java:129) 10.07 20:02:54 [Server] ERROR Stack: 10.07 20:02:54 [Server] ERROR PID: 15 | Suspended: false | Native: false | State: BLOCKED 10.07 20:02:54 [Server] ERROR Current Thread: Server thread 10.07 20:02:54 [Server] ERROR ------------------------------ 10.07 20:02:54 [Server] ERROR Server thread dump (Look for plugins here before reporting to Spigot!): 10.07 20:02:54 [Server] ERROR ------------------------------ 10.07 20:02:54 [Server] ERROR Spigot version: git-Spigot-90839e6-c5d27c5 (MC: 1.9) 10.07 20:02:54 [Server] ERROR Be sure to include ALL relevant console errors and Minecraft crash reports 10.07 20:02:54 [Server] ERROR Please report this to http://www.spigotmc.org/ 10.07 20:02:54 [Server] ERROR The server has stopped responding!

we really need your help cause our server crashes a lot