config.php: Could not retrieve the required option 'db.host'.
#0 /var/www/html/vendor/simplesamlphp/simplesamlphp/src/SimpleSAML/Configuration.php(402): SimpleSAML\Assert\Assert::__callStatic('true', Array)
#1 /var/www/html/lib/FoodleDBConnector.php(21): SimpleSAML\Configuration->getValue('db.host', 'localhost')
#2 /var/www/html/www/index.php(363): Foodle\FoodleDBConnector->__construct(Object(SimpleSAML\Configuration))
#3 {main}