Lib's Disguises 2nd line error

26.04 16:32:30 [Multicraft] Skipped 17 lines due to rate limit (30/s)
26.04 16:32:21 [Server] WARN at java.lang.reflect.Method.invoke(Unknown Source)
26.04 16:32:21 [Server] WARN at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
26.04 16:32:21 [Server] WARN at sun.reflect.GeneratedMethodAccessor96.invoke(Unknown Source)
26.04 16:32:21 [Server] WARN at net.minecraft.server.v1_11_R1.PlayerConnection.sendPacket(PlayerConnection.java:1100)
26.04 16:32:21 [Server] WARN at net.minecraft.server.v1_11_R1.NetworkManager.sendPacket(NetworkManager.java:143)
26.04 16:32:21 [Server] WARN at net.minecraft.server.v1_11_R1.NetworkManager.a(NetworkManager.java:194)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:95)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:127)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.ChannelInjector$5.onMessageScheduled(ChannelInjector.java:330)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.ChannelInjector$5.handleScheduled(ChannelInjector.java:362)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.ChannelInjector.access$500(ChannelInjector.java:77)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:396)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketSending(ProtocolInjector.java:269)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.netty.ProtocolInjector.packetQueued(ProtocolInjector.java:309)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:584)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:608)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195)
26.04 16:32:21 [Server] WARN at me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerViewDisguises.onPacketSending(PacketListenerViewDisguises.java:67)
26.04 16:32:21 [Server] WARN at me.libraryaddict.disguise.utilities.PacketsManager.transformPacket(PacketsManager.java:936)
26.04 16:32:21 [Server] WARN at me.libraryaddict.disguise.utilities.PacketsManager.constructSpawnPackets(PacketsManager.java:426)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.reflect.StructureModifier.write(StructureModifier.java:328)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.reflect.StructureModifier.writeInternal(StructureModifier.java:358)
26.04 16:32:21 [Server] WARN at com.comphenix.protocol.reflect.FieldUtils.writeField(FieldUtils.java:450)
26.04 16:32:21 [Server] WARN at java.lang.reflect.Field.set(Unknown Source)
26.04 16:32:21 [Server] WARN at sun.reflect.UnsafeObjectFieldAccessorImpl.set(Unknown Source)
26.04 16:32:21 [Server] WARN at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source)
26.04 16:32:21 [Server] WARN at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source)
26.04 16:32:21 [Server] WARN java.lang.IllegalArgumentException: Can not set java.util.UUID field net.minecraft.server.v1_11_R1.PacketPlayOutSpawnEntityLiving.b to java.lang.String
26.04 16:32:21 [Server] INFO FrankHeijden issued server command: /d bat setViewSelfDisguise