Connection error: could not find driver Qé! por la cara

Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /var/www/vhosts/qeoficial.es/httpdocs/promo/classes/bimboconnect/bimboconnect.php:403 Stack trace: #0 /var/www/vhosts/qeoficial.es/httpdocs/promo/modules/registro/index.php(24): bimboconnect->buildSignupLogin() #1 /var/www/vhosts/qeoficial.es/httpdocs/promo/index.php(73): require('/var/www/vhosts...') #2 {main} thrown in /var/www/vhosts/qeoficial.es/httpdocs/promo/classes/bimboconnect/bimboconnect.php on line 403