Just set up a server, but everytime i try and join it either comes up with Internal Exception: io.netty.handler.codec.DecoderException: java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 4. This is for the modpack Cookie Quest Remastered
This is the pack i made that is causing all the problems: https://www.curseforge.com/minecraft/modpacks/cookie-quest-remastered