Connection failed: SQLSTATE[HY000] [2019] Unknown character set<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /var/www/html/MVC_bade/models/main-model.php:14
Stack trace:
#0 /var/www/html/MVC_bade/index.php(9): getClassifications()
#1 {main}
  thrown in <b>/var/www/html/MVC_bade/models/main-model.php</b> on line <b>14</b><br />