menu sometimes crashes

function Story_day1_love0()
    say ""..Player.."", "a"
    show Character.ForCreature(), "Happy"
    say "a" , "a"
    show Character.ForCreature(), "Normal "
    say "a", "a"
    say ""..Player.."", "Ya"
    menu
        option "1"
             Story_day1_Option1A();
        option "2"
             Story_day1_Option1B();
        option "3"
             Story_day1_Option1C();
    end
    WaitTomorrow();
end
Story_day1_love0();

This code crashes the menu. Error message:

[23:07:59] [Netty Server IO #1/ERROR] [FML]: SimpleChannelHandlerWrapper exception
java.lang.IllegalStateException: Remote call response has wrong type. Expected 'net.mobtalker.mobtalker2.network.MessageShowMenuResponse', got 'net.mobtalker.mobtalker2.network.MessageShowTextResponse'.
    at net.mobtalker.mobtalker2.network.ServerMessageHandler.onRemoteCallResult(ServerMessageHandler.java:183) ~[ServerMessageHandler.class:?]
    at net.mobtalker.mobtalker2.network.ServerMessageHandler$RemoteCallResultDelegator.onMessage(ServerMessageHandler.java:221) ~[ServerMessageHandler$RemoteCallResultDelegator.class:?]
    at net.mobtalker.mobtalker2.network.ServerMessageHandler$RemoteCallResultDelegator.onMessage(ServerMessageHandler.java:215) ~[ServerMessageHandler$RemoteCallResultDelegator.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:37) ~[SimpleChannelHandlerWrapper.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleChannelHandlerWrapper.channelRead0(SimpleChannelHandlerWrapper.java:17) ~[SimpleChannelHandlerWrapper.class:?]
    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103) ~[SimpleChannelInboundHandler.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:106) [SimpleChannelInboundHandler.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) [MessageToMessageDecoder.class:4.0.15.Final]
    at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) [MessageToMessageCodec.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) [DefaultChannelPipeline.class:4.0.15.Final]
    at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) [EmbeddedChannel.class:4.0.15.Final]
    at net.minecraftforge.fml.common.network.internal.FMLProxyPacket.func_148833_a(FMLProxyPacket.java:79) [FMLProxyPacket.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:136) [gr.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:414) [gr.class:?]
    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103) [SimpleChannelInboundHandler.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:409) [NetworkDispatcher.class:?]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:237) [NetworkDispatcher.class:?]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:50) [NetworkDispatcher.class:?]
    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103) [SimpleChannelInboundHandler.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) [DefaultChannelHandlerContext.class:4.0.15.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) [DefaultChannelPipeline.class:4.0.15.Final]
    at io.netty.channel.local.LocalChannel.finishPeerRead(LocalChannel.java:312) [LocalChannel.class:4.0.15.Final]
    at io.netty.channel.local.LocalChannel.access$400(LocalChannel.java:44) [LocalChannel.class:4.0.15.Final]
    at io.netty.channel.local.LocalChannel$6.run(LocalChannel.java:298) [LocalChannel$6.class:4.0.15.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:354) [SingleThreadEventExecutor.class:4.0.15.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:353) [NioEventLoop.class:4.0.15.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101) [SingleThreadEventExecutor$2.class:4.0.15.Final]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_40]

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