( ! ) Fatal error: Uncaught TypeError: ftp_nlist(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /var/www/mediakreasi.id/wp-admin/includes/class-wp-filesystem-ftpext.php on line 438
( ! ) TypeError: ftp_nlist(): Argument #1 ($ftp) must be of type FTP\Connection, null given in /var/www/mediakreasi.id/wp-admin/includes/class-wp-filesystem-ftpext.php on line 438
Call Stack
#	Time	Memory	Function	Location
1	0.0000	463000	{main}( )	.../index.php:0
2	0.0001	463352	require( '/var/www/mediakreasi.id/wp-blog-header.php )	.../index.php:17
3	0.0001	463768	require_once( '/var/www/mediakreasi.id/wp-load.php )	.../wp-blog-header.php:13
4	0.0002	464552	require_once( '/var/www/mediakreasi.id/wp-config.php )	.../wp-load.php:50
5	0.0002	466128	require_once( '/var/www/mediakreasi.id/wp-settings.php )	.../wp-config.php:90
6	0.0408	4602456	do_action( $hook_name = 'init' )	.../wp-settings.php:771
7	0.0408	4602672	WP_Hook->do_action( $args = [0 => ''] )	.../plugin.php:522
8	0.0408	4602672	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../class-wp-hook.php:365
9	0.1051	5276288	SG_Security\Install_Service\Install_Service->install( '' )	.../class-wp-hook.php:341
10	0.1098	5267592	SG_Security\Install_Service\Install_Service->do_install( )	.../Install_Service.php:64
11	0.1099	5267592	SG_Security\Install_Service\Install_1_3_6->install( )	.../Install_Service.php:88
12	0.1099	5267592	SG_Security\Encryption_Service\Encryption_Service->generate_encryption_file( )	.../Install_1_3_6.php:49
13	0.1099	5267592	WP_Filesystem_FTPext->is_file( $file = '/var/www/mediakreasi.id/wp-content/sgs_encrypt_key.php' )	.../Encryption_Service.php:52
14	0.1099	5267592	WP_Filesystem_FTPext->exists( $path = '/var/www/mediakreasi.id/wp-content/sgs_encrypt_key.php' )	.../class-wp-filesystem-ftpext.php:456
15	0.1099	5267592	ftp_nlist( $ftp = NULL, $directory = '/var/www/mediakreasi.id/wp-content/sgs_encrypt_key.php' )	.../class-wp-filesystem-ftpext.php:438