Ada error ketika mau sambungin php ke database, gimana ya?

ada error begitu gimana cara atasinya ya?

You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '', 'on')' at line 2"

<?php

	include_once("function/koneksi.php");
	include_once("function/helper.php");

	$level = "customer";
	$status = "on";
	$nama_lengkap = $_POST['nama_Lengkap'];
	$email = $_POST['email'];
	$phone = $_POST['phone'];
	$alamat = $_POST['alamat'];
	$password = $_POST['password'];
	$re_password = $_POST['re_password'];


	$password = md5($password);
	$query = mysqli_query($koneksi, "INSERT INTO user (level, nama, email, alamat, phone, password, status)
	VALUES ('$level', '$nama_lengkap', '$email', '$alamat', '$phone',$password', '$status')");

	if(!$query){
		echo mysqli_error($koneksi);
	}else{
		echo "Data berhasil disimpan";
	}