Title says it all has anyone else had this issue? heres the debug log
[15:37:45] [Server thread/INFO] [minecraft/DedicatedServer]: CCEmmy joined the game
[15:37:45] [Netty Server IO #22/ERROR] [minecraft/ArgumentTypes]: Could not serialize me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType@214be51c (class me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType) - will not be sent to client!
[15:37:45] [Netty Server IO #22/ERROR] [minecraft/ArgumentTypes]: Could not serialize me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType@d3a5776 (class me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType) - will not be sent to client!
[15:37:45] [Netty Server IO #22/ERROR] [minecraft/ArgumentTypes]: Could not serialize me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType@45e588c6 (class me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType) - will not be sent to client!
[15:37:46] [Netty Server IO #22/ERROR] [minecraft/ArgumentTypes]: Could not serialize me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType@214be51c (class me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType) - will not be sent to client!
[15:37:46] [Netty Server IO #22/ERROR] [minecraft/ArgumentTypes]: Could not serialize me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType@d3a5776 (class me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType) - will not be sent to client!
[15:37:46] [Netty Server IO #22/ERROR] [minecraft/ArgumentTypes]: Could not serialize me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType@45e588c6 (class me.desht.pneumaticcraft.common.commands.ModCommands$VarnameType) - will not be sent to client!
[15:38:36] [Server thread/INFO] [minecraft/ServerGamePacketListenerImpl]: CCEmmy lost connection: Timed out
[15:38:36] [Server thread/INFO] [minecraft/DedicatedServer]: CCEmmy left the game