apa ada yg bisa bantu??
Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in C:\xampp\htdocs\tugas\f_editkaryawan.php on line 100

<?php
// ================ DATA URL "mod" ( GET ) =====================//
if ($mod == "edit") {
$display = "";

$q_edit_karyawan = mysql_query("SELECT * FROM t_karyawan WHERE username = '".$_SESSION['username']."' AND flag = '1'");
$a_edit_karyawan = mysql_fetch_array($q_edit_karyawan); //error disini

$karyawan_0 = $a_edit_karyawan[0];
$karyawan_1 = $a_edit_karyawan[1];
$karyawan_2 = $a_edit_karyawan[2];


$view = "Edit";

} else {
$display = "style='display: none'";
}

?>