Getting Error in Function PHP After Debug set true

Hi i’m getting error in my theme after set debug true can any body help me to resolve them

Notice: Undefined index: in C:\xampp\htdocs\wp\wp-content\themes\mytheme\functions.php on line 396

Notice: Undefined index: id in C:\xampp\htdocs\wp\wp-content\themes\mytheme\functions.php on line 399

and
Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\wp\wp-content\themes\mytheme\functions.php:396) in C:\xampp\htdocs\wp\wp-content\themes\mytheme\functions.php on line 401

here is my function.php from line 386 to 419

function mytheme_add_admin() {

global $themename, $shortname, $options;

if ( isset($_GET['page']) && $_GET['page'] == basename(__FILE__) ) { 

  if ( 'save' == ( isset($_REQUEST['action'] ) && $_REQUEST['action'] ) ) { 

		foreach ($options as $value) {
		update_option( $value['id'], $_REQUEST[ $value['id'] ] ); }

foreach ($options as $value) {
	if( isset( $_REQUEST[ $value['id'] ] ) ) { update_option( $value['id'], $_REQUEST[ $value['id'] ]  ); } else { delete_option( $value['id'] ); } }

	header("Location: admin.php?page=functions.php&saved=true");
header("Location: themes.php?page=functions.php&saved=true");
die;

} else if ( 'reset' == ( isset($_REQUEST['action'] ) && $_REQUEST['action'] ) ) { 

	foreach ($options as $value) {
		delete_option( $value['id'] ); }

	header("Location: admin.php?page=functions.php&reset=true");
		header("Location: themes.php?page=functions.php&reset=true");

die;

}
}

add_theme_page($themename, $themename, 'administrator', basename(__FILE__), 'mytheme_admin');
}