public static byte[] denyGuildInvitation(String charname) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.GUILD_OPERATION.getValue());
            mplew.write(61);
            mplew.writeMapleAsciiString(charname);


            return mplew.getPacket();
        }