mysqli_connect(): (HY000/2002): No such file or directory

Hiba van: mysqli_connect(): (HY000/2002): No such file or directory
Tipusa: 2(2, 512: FATAL, 8, 1024: NOTICE)
Időpont: 2025.01.19:10.15
1. N/A: N/A
2. /home/twb2/mediprim.org/class/query.php: 39
3. /home/twb2/mediprim.org/class/query.php: 17
4. /home/twb2/mediprim.org/class/config.php: 21
5. /home/twb2/mediprim.org/class/config.php: 10
6. /home/twb2/mediprim.org/class/navigate.php: 23
7. /home/twb2/mediprim.org/class/navigate.php: 17
8. /home/twb2/mediprim.org/index.php: 3

Connect failed: %s

Hiba van: Connect failed: %s

Tipusa: 998(2, 512: FATAL, 8, 1024: NOTICE)
Időpont: 2025.01.19:10.15
1. /home/twb2/mediprim.org/class/query.php: 42
2. /home/twb2/mediprim.org/class/query.php: 17
3. /home/twb2/mediprim.org/class/config.php: 21
4. /home/twb2/mediprim.org/class/config.php: 10
5. /home/twb2/mediprim.org/class/navigate.php: 23
6. /home/twb2/mediprim.org/class/navigate.php: 17
7. /home/twb2/mediprim.org/index.php: 3

( ! ) Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /home/twb2/mediprim.org/class/query.php on line 139
( ! ) TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /home/twb2/mediprim.org/class/query.php on line 139
Call Stack
#	Time	Memory	Function	Location
1	0.0000	356680	{main}( )	.../index.php:0
2	0.0003	361496	navigate->__construct( )	.../index.php:3
3	0.0003	361496	navigate->SetInit( )	.../navigate.php:17
4	0.0003	361576	config->__construct( )	.../navigate.php:23
5	0.0003	361576	config->SetInit( )	.../config.php:10
6	0.0006	365064	query->SelectFields( $table = 'msz_config', $where = '', $fields = '`key`,`value`', $order_by_field = ???, $order_type = ??? )	.../config.php:22
7	0.0006	365560	query->Query( $query = 'SELECT `key`,`value` FROM msz_config ', $errorstr = ??? )	.../query.php:131
8	0.0006	365560	mysqli_query( $mysql = FALSE, $query = 'SET NAMES utf8' )	.../query.php:139