Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /core/includes/mysql.inc.php:24
Stack trace:
#0 /core/includes/mysql.inc.php(63): MYSQL->connect()
#1 /core/core.php(8): MYSQL->query('SELECT `nazwa` ...')
#2 /index.php(2): require_once('/core/core.php')
#3 {main}
thrown in /core/includes/mysql.inc.php on line 24