这段是经常出现的错误报告玩家只要使用魔道透镜或者是研究笔记都会推出服务器
这个不知道什么情况，求解决
[16:37:05] [Server thread/ERROR]: FMLIndexedMessageCodec exception caught
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:05] [Server thread/ERROR]: SimpleChannelHandlerWrapper exception
java.lang.NullPointerException
[16:37:10] [Server thread/ERROR]: There was a critical exception handling a packet on channel thaumcraft
java.lang.NullPointerException
[16:37:10] [Server thread/INFO]: jlhodgdon lost connection: A fatal error has occured, this connection is terminated
[16:37:10] [Server thread/INFO]: jlhodgdon left the game
[16:36:58] [Server thread/WARN]: More than one exception was raised. Will report only the first one and log others.

shift右键扫描避免打开gui？

那就别扫描了呗