Random ErrorS PLEASE Help Me

27.08 23:20:43 [Server] WARN [PacketListenerAPI] An exception occured while trying to execute 'onSend' in plugin StaffPlus: null 27.08 23:20:43 [Server] WARN java.lang.NullPointerException 27.08 23:20:43 [Server] WARN at net.shortninja.staffplus.server.PacketModifier.isVanished(PacketModifier.java:173) 27.08 23:20:43 [Server] WARN at net.shortninja.staffplus.server.PacketModifier.handleClientSound(PacketModifier.java:81) 27.08 23:20:43 [Server] WARN at net.shortninja.staffplus.server.PacketModifier.access$1(PacketModifier.java:75) 27.08 23:20:43 [Server] WARN at net.shortninja.staffplus.server.PacketModifier$1.onSend(PacketModifier.java:42) 27.08 23:20:43 [Server] WARN at org.inventivetalent.packetlistener.handler.PacketHandler.notifyHandlers(PacketHandler.java:109) 27.08 23:20:43 [Server] WARN at org.inventivetalent.packetlistener.PacketListenerAPI.onPacketSend(PacketListenerAPI.java:146) 27.08 23:20:43 [Server] WARN at org.inventivetalent.packetlistener.channel.ChannelAbstract.onPacketSend(ChannelAbstract.java:113) 27.08 23:20:43 [Server] WARN at org.inventivetalent.packetlistener.channel.INCChannel$ChannelHandler.write(INCChannel.java:168) 27.08 23:20:43 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:658) 27.08 23:20:43 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:716) 27.08 23:20:43 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:706) 27.08 23:20:43 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:741) 27.08 23:20:43 [Server] WARN at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:895) 27.08 23:20:43 [Server] WARN at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:240) 27.08 23:20:43 [Server] WARN at net.minecraft.server.v1_8_R3.NetworkManager$4.run(NetworkManager.java:198) 27.08 23:20:43 [Server] WARN at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380) 27.08 23:20:43 [Server] WARN at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) 27.08 23:20:43 [Server] WARN at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) 27.08 23:20:43 [Server] WARN at java.lang.Thread.run(Unknown Source) 27.08 23:20:43 [Server] WARN [PacketListenerAPI] An exception occured while trying to execute 'onSend' in plugin StaffPlus: null 27.08 23:20:43 [Server] WARN java.lang.NullPointerException 27.08 23:20:43 [Server] WARN at net.shortninja.staffplus.server.PacketModifier.handleClientAnimation(PacketModifier.java:104) 27.08 23:20:43 [Server] WARN at net.shortninja.staffplus.server.PacketModifier.access$2(PacketModifier.java:95) 27.08 23:20:43 [Server] WARN at net.shortninja.staffplus.server.PacketModifier$1.onSend(PacketModifier.java:49) 27.08 23:20:44 [Multicraft] Skipped 90 lines due to rate limit (30/s) 27.08 23:20:44 [Server] WARN [PacketListenerAPI] An exception occured while trying to execute 'onSend' in plugin StaffPlus: null 27.08 23:20:44 [Server] WARN java.lang.NullPointerException 27.08 23:20:44 [Server] WARN at net.shortninja.staffplus.server.PacketModifier.handleClientAnimation(PacketModifier.java:104) 27.08 23:20:44 [Server] WARN at net.shortninja.staffplus.server.PacketModifier.access$2(PacketModifier.java:95) 27.08 23:20:44 [Server] WARN at net.shortninja.staffplus.server.PacketModifier$1.onSend(PacketModifier.java:49) 27.08 23:20:44 [Server] WARN at org.inventivetalent.packetlistener.handler.PacketHandler.notifyHandlers(PacketHandler.java:109) 27.08 23:20:44 [Server] WARN at org.inventivetalent.packetlistener.PacketListenerAPI.onPacketSend(PacketListenerAPI.java:146) 27.08 23:20:44 [Server] WARN at org.inventivetalent.packetlistener.channel.ChannelAbstract.onPacketSend(ChannelAbstract.java:113) 27.08 23:20:44 [Server] WARN at org.inventivetalent.packetlistener.channel.INCChannel$ChannelHandler.write(INCChannel.java:168) 27.08 23:20:44 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:658) 27.08 23:20:44 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:716) 27.08 23:20:44 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:706) 27.08 23:20:44 [Server] WARN at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:741) 27.08 23:20:44 [Server] WARN at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:895) 27.08 23:20:44 [Server] WARN at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:240) 27.08 23:20:44 [Server] WARN at net.minecraft.server.v1_8_R3.NetworkManager$4.run(NetworkManager.java:198) 27.08 23:20:44 [Server] WARN at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380) 27.08 23:20:44 [Server] WARN at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) 27.08 23:20:44 [Server] WARN at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) 27.08 23:20:44 [Server] ERROR Could not pass event PlayerQuitEvent to StaffPlus v3.0.8 27.08 23:20:44 [Server] INFO org.bukkit.event.EventException 27.08 23:20:44 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at net.minecraft.server.v1_8_R3.PlayerList.disconnect(PlayerList.java:348) [spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:871) [spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at net.minecraft.server.v1_8_R3.NetworkManager.l(NetworkManager.java:314) [spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:145) [spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:44 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:814) [spigot-1_8_8.jar:git-Spigot-e4d4710-e1ebe52] 27.08 23:20:45 [Multicraft] Skipped 35 lines due to rate limit (30/s)

2 different errors i get

I get a playerjoievent error as well

i ALSO Get this when i start the server 28.08 00:18:22 [Server] WARN [StaffPlus] Default system encoding may have misread config.yml from plugin jar