Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'DATABASE ptldebic_grupa' at line 1 in /home/ptldebic/public_html/dsp/class_mysql.php:56 Stack trace: #0 /home/ptldebic/public_html/dsp/class_mysql.php(56): mysqli->query('USE DATABASE pt...') #1 /home/ptldebic/public_html/dsp/index.php(15): class_mysql->__construct() #2 {main} thrown in /home/ptldebic/public_html/dsp/class_mysql.php on line 56