MKnance

Added if it is not forge problem then my second guess would be mod so i will then take these logs and send it to them i guess

internal exception java.lang.classcastexception net.minecraftforge.fml.common.network.handshake.fmlhandshakemessage$HandshakeAck cannot be cast to net.minecraftforge.fml.common.network.handshake.fmlhandshakemessage$registrydata error pops up when someone tried to log into my modded server with hamachi since the server is setup to use hamachi and this popped up on there side i can get in fine they cannot they get this error if you know anything about it please give reply or if this is an error thats been fixed in the half star version please let me know I am currently using minecraft forge 12.18.2.2097 I am sorry if this is not the place for asking for this kind of help here then please tell me where to go because im so lost i've googled couldn't find the error listed anywhere unless googling entire thing wasn't going to work but im trying hard to fix this issue FML Client FML Server