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<b>Warning</b>:  mysqli_connect(): (HY000/2002): Can't connect to local server through socket '/var/lib/mysql/mysql.sock' (2) in <b>/var/www/vhosts/lucasonderwijs.nl/httpdocs/includes/inc_connect_db.php</b> on line <b>26</b><br />
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<b>Fatal error</b>:  Uncaught TypeError: mysqli_set_charset(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/www/vhosts/lucasonderwijs.nl/httpdocs/includes/inc_connect_db.php:27
Stack trace:
#0 /var/www/vhosts/lucasonderwijs.nl/httpdocs/includes/inc_connect_db.php(27): mysqli_set_charset()
#1 /var/www/vhosts/lucasonderwijs.nl/httpdocs/index-lo.php(42): include_once('/var/www/vhosts...')
#2 /var/www/vhosts/lucasonderwijs.nl/httpdocs/index.php(98): include('/var/www/vhosts...')
#3 {main}
  thrown in <b>/var/www/vhosts/lucasonderwijs.nl/httpdocs/includes/inc_connect_db.php</b> on line <b>27</b><br />