Warning: PDO::query(): SQLSTATE[00000]: No error: PDO constructor was not called in /var/www/html/classDB.php on line 197

Fatal error: Uncaught Error: Call to a member function fetchAll() on null in /var/www/html/classDB.php:153 Stack trace: #0 /var/www/html/index.php(45): BasicDB->all() #1 {main} thrown in /var/www/html/classDB.php on line 153