While trying to join a 1.20.1 modded server with a custom modpack I get this error code:
Internal Exception: io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(65) + length(1) exceeds writerIndex(65): PooledUnsafeDirectByteBuf(ridx: 65, widx: 65, cap:65)
Here is the debug log:
Thank you if anyone can help.