I'm currently running a modded 1.8 vanilla server mods. They mods I have are:

-Gender

-Blocklings

-Chisels and Bits

-Lootable Bodies

-Pixelmon

-Ropebridge

I have these installed on the server and on  my client, yet when I try to connect I get an "internal server error". Here's the log:

 

[23:42:39] [server thread/INFO] [net.minecraft.server.dedicated.DedicatedServer]: Done (9.621s)! For help, type "help" or "?"

[23:42:53] [user Authenticator #1/INFO] [net.minecraft.server.network.NetHandlerLoginServer]: UUID of player Clone224 is fa8189d4-f3e9-4f6a-82dc-6730c70eb31a

[23:42:53] [Netty Server IO #4/INFO] [FML]: Client protocol version 2

[23:42:53] [Netty Server IO #4/INFO] [FML]: Client attempting to join with 9 mods : [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected]

[23:42:53] [server thread/INFO] [FML]: [server thread] Server side modded connection established

[23:42:53] [server thread/INFO] [net.minecraft.server.management.ServerConfigurationManager]: Clone224[/127.0.0.1:55030] logged in with entity id 51 at (-276.5, 63.0, 179.5)

[23:42:53] [server thread/INFO] [net.minecraft.server.MinecraftServer]: Clone224 joined the game

[23:42:53] [server thread/ERROR] [FML]: Exception caught during firing event net.minecraftforge.fml.common.gameevent.PlayerEvent$PlayerLoggedInEvent@16b5393:

java.lang.NullPointerException

at net.iPixeli.Gender.common.PacketHandler.prepareServerPacket(PacketHandler.java:92) ~[PacketHandler.class:?]

at net.iPixeli.Gender.common.PacketHandler.sendFromServerBroadcastOne(PacketHandler.java:70) ~[PacketHandler.class:?]

at net.iPixeli.Gender.Gender.onPlayerLogin(Gender.java:83) ~[Gender.class:?]

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_6_Gender_onPlayerLogin_PlayerLoggedInEvent.invoke(.dynamic) ~[?:?]

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55) ~[ASMEventHandler.class:?]

at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140) [EventBus.class:?]

at net.minecraftforge.fml.common.FMLCommonHandler.firePlayerLoggedIn(FMLCommonHandler.java:591) [FMLCommonHandler.class:?]

at net.minecraft.server.management.ServerConfigurationManager.initializeConnectionToPlayer(ServerConfigurationManager.java:182) [sn.class:?]

at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.completeServerSideConnection(NetworkDispatcher.java:236) [NetworkDispatcher.class:?]

at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.access$100(NetworkDispatcher.java:51) [NetworkDispatcher.class:?]

at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:187) [NetworkDispatcher$1.class:?]

at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:248) [gr.class:?]

at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:191) [rc.class:?]

at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:727) [MinecraftServer.class:?]

at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:364) [po.class:?]

at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:598) [MinecraftServer.class:?]

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:478) [MinecraftServer.class:?]

at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]

[23:42:53] [server thread/ERROR] [FML]: Index: 2 Listeners:

[23:42:53] [server thread/ERROR] [FML]: 0: NORMAL

[23:42:53] [server thread/ERROR] [FML]: 1: ASM: Forge playerLogin(Lnet/minecraftforge/fml/common/gameevent/PlayerEvent$PlayerLoggedInEvent;)V

[23:42:53] [server thread/ERROR] [FML]: 2: ASM: net.iPixeli.Gender.Gender@1b8a238 onPlayerLogin(Lnet/minecraftforge/fml/common/gameevent/PlayerEvent$PlayerLoggedInEvent;)V

[23:42:53] [server thread/ERROR] [FML]: 3: ASM: com.pixelmonmod.pixelmon.comm.PixelmonPlayerTracker@1d7233f onPlayerLogin(Lnet/minecraftforge/fml/common/gameevent/PlayerEvent$PlayerLoggedInEvent;)V

[23:42:53] [server thread/ERROR] [FML]: 4: ASM: mod.chiselsandbits.network.NetworkRouter@16dee09 newConnection(Lnet/minecraftforge/fml/common/gameevent/PlayerEvent$PlayerLoggedInEvent;)V

[23:42:53] [server thread/WARN] [net.minecraft.network.NetworkSystem]: Failed to handle packet for /127.0.0.1:55030

java.lang.NullPointerException

at net.iPixeli.Gender.common.PacketHandler.prepareServerPacket(PacketHandler.java:92) ~[PacketHandler.class:?]

at net.iPixeli.Gender.common.PacketHandler.sendFromServerBroadcastOne(PacketHandler.java:70) ~[PacketHandler.class:?]

at net.iPixeli.Gender.Gender.onPlayerLogin(Gender.java:83) ~[Gender.class:?]

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_6_Gender_onPlayerLogin_PlayerLoggedInEvent.invoke(.dynamic) ~[?:?]

at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55) ~[ASMEventHandler.class:?]

at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140) ~[EventBus.class:?]

at net.minecraftforge.fml.common.FMLCommonHandler.firePlayerLoggedIn(FMLCommonHandler.java:591) ~[FMLCommonHandler.class:?]

at net.minecraft.server.management.ServerConfigurationManager.initializeConnectionToPlayer(ServerConfigurationManager.java:182) ~[sn.class:?]

at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.completeServerSideConnection(NetworkDispatcher.java:236) ~[NetworkDispatcher.class:?]

at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.access$100(NetworkDispatcher.java:51) ~[NetworkDispatcher.class:?]

at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:187) ~[NetworkDispatcher$1.class:?]

at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:248) ~[gr.class:?]

at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:191) [rc.class:?]

at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:727) [MinecraftServer.class:?]

at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:364) [po.class:?]

at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:598) [MinecraftServer.class:?]

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:478) [MinecraftServer.class:?]

at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]

[23:42:54] [server thread/INFO] [net.minecraft.network.NetHandlerPlayServer]: Clone224 lost connection: TextComponent{text='Internal server error', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null, insertion=null}}

[23:42:54] [server thread/INFO] [net.minecraft.server.MinecraftServer]: Clone224 left the game

 

Any help will be appreciated, I'll give you anything you need.

Thanks.

My thanks, all working perfectly. Good man.