Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /var/www/html/EFacturaplus/class2/php/utility.php:20 Stack trace: #0 /var/www/html/EFacturaplus/index.php(5): require() #1 {main} thrown in /var/www/html/EFacturaplus/class2/php/utility.php on line 20