AbnerFan

作者您好: 我也有相同的問題 Minecraft Version 1.12.2 Forge Version: 14.23.5.2854 Tinker I/O: 1.12.2-rw2.8.3 Tinker's Construct: 1.12.2-2.13.0.183 [02:26:09] [Server thread/ERROR] [FML]: FMLIndexedMessageCodec exception caught java.lang.RuntimeException: Missing at net.minecraftforge.fml.server.FMLServerHandler.getClientToServerNetworkManager(FMLServerHandler.java:299) ~[FMLServerHandler.class:?] at net.minecraftforge.fml.common.FMLCommonHandler.getClientToServerNetworkManager(FMLCommonHandler.java:555) ~[FMLCommonHandler.class:?] at...