discord.js problem

if (!message.mentions.users.first()){
            message.channel.send('Whoops! You need to specify a person to warn!')
        }
        else{
            try{
                const mentionedUser = message.mentions.members.first();
                if (!message.member.hasPermission('MANAGE_ROLES')) return message.channel.send('You do not have the necessary permissions!');
                if (!mentionedUser) {
                    message.channel.send('You have to mention the person you want to assign the role to!');
                }
                if (mentionedUser.roles.cache.has(warn1)){
                    if (mentionedUser.roles.cache.has(warn2)){
                        if (mentionedUser.roles.cache.has(warn3)){
                            if (mentionedUser.roles.cache.has(beenMuted)){
                                message.guild.kick(mentionedUser);
                            }
                            else{
                                mentionedUser.roles.add(mute);
                                mentionedUser.roles.add(beenMuted);
                            }
                        }
                        else{
                            message.channel.send('Already has 2 warnings.');
                            mentionedUser.roles.add(warn3);
                        }
                    }
                    else{
                        message.channel.send('Already has 1 warning.')
                        mentionedUser.roles.add(warn2);
                    }
                }
                else{
                    mentionedUser.roles.add(warn1);
                    message.channel.send('Warned the user.');
                }
            }
            catch(error){
                message.channel.send('Whoops! I failed to execute that command.');
                console.error(error);
            }
        }