Help me please i'm getting internal exception: io.netty.handler.codec.decoderexception: java.lang.indexoutofboundsexception: index 26 out of bounds for length 5

help me please. I'm trying to connect to my server that using mohist 1.18.2 it's a server with mods and now when i try to join it said "internal exception: io.netty.handler.codec.decoderexception: java.lang.indexoutofboundsexception: index 26 out of bounds for length 5" i don't know how to fix i have read that old thread seems like just try to use official or another launcher i tried many launcher it's still keep error with "index 26 out of bound for length 5" i tried turn off firewall it's doesn't work. i'm using hamachi for the ip server and mohist for server running with mods. Sorry for my bad english