"Cannot send empty Message" but its an valid embed

                if (!user) { return message.edit("❌ Unknown user!") }
                let embed = new Discord.MessageEmbed()
                .setTitle("**Userinfo**")
                .setColor("#00D4FF")
                .setThumbnail(user.avatarURL)
                .setDescription("Username - **" + user.username + "**\nDiscrim - **" + user.discriminator + "**\nID - **" + user.id +  "**\nStatus - **" + user.presence.status + "**\n")
                .setFooter({text: "Quelle: Discord"});
                //send the embed
                message.channel.send({embeds: [embed]});