uncaught exception: Could not connect to database (aytour).

in file: /var/www/html/db/lib/RedBean/rb.php line 805
#0 /var/www/html/db/lib/RedBean/rb.php(656): RedBeanPHP\Driver\RPDO->connect() #1 /var/www/html/db/lib/RedBean/rb.php(829): RedBeanPHP\Driver\RPDO->runQuery() #2 /var/www/html/db/lib/RedBean/rb.php(3282): RedBeanPHP\Driver\RPDO->GetAll() #3 /var/www/html/db/lib/RedBean/rb.php(4980): RedBeanPHP\Adapter\DBAdapter->get() #4 /var/www/html/db/lib/RedBean/rb.php(7706): RedBeanPHP\QueryWriter\AQueryWriter->queryRecord() #5 /var/www/html/db/lib/RedBean/rb.php(8116): RedBeanPHP\Repository\Frozen->load() #6 /var/www/html/db/lib/RedBean/rb.php(10404): RedBeanPHP\OODB->load() #7 /var/www/html/db/preistabelle_web.php(80): RedBeanPHP\Facade::load() #8 {main}