Fatal error: Uncaught Error: Call to a member function prepare() on null in /var/www/exchange/html/class/companies.php:28 Stack trace: #0 /var/www/exchange/html/init.php(55): companies::getCompany() #1 /var/www/exchange/html/index.php(2): require_once('/var/www/exchan...') #2 {main} thrown in /var/www/exchange/html/class/companies.php on line 28