Unable to connect to the databaseUnable to connect to the database<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function query() on bool in /var/www/vhosts/pleaser-grosshandel.com/highheels-grosshandel.de/vendor/gambio/codeigniter-db/drivers/mysqli/mysqli_driver.php:225
Stack trace:
#0 /var/www/vhosts/pleaser-grosshandel.com/highheels-grosshandel.de/vendor/gambio/codeigniter-db/DB_driver.php(780): CI_DB_mysqli_driver-&gt;_execute()
#1 /var/www/vhosts/pleaser-grosshandel.com/highheels-grosshandel.de/vendor/gambio/codeigniter-db/DB_driver.php(651): CI_DB_driver-&gt;simple_query()
#2 /var/www/vhosts/pleaser-grosshandel.com/highheels-grosshandel.de/GXMainComponents/Loaders/GXCoreLoader/GXCoreLoader.inc.php(575): CI_DB_driver-&gt;query()
#3 /var/www/vhosts/pleaser-grosshandel.com/highheels-grosshandel.de/GXMainComponents/Loaders/GXCoreLoader/StaticGXCoreLoader.inc.php(68): GXCoreLoader-&gt;getDatabaseQueryBuilder()
#4 /var/www/vhosts/pleaser-grosshandel.com/highheels-grosshandel.de/includes/application_top.php(612): StaticGXCoreLoader::getDatabaseQueryBuilder()
#5 /var/www/vhosts/pleaser-grosshandel.com in <b>/var/www/vhosts/pleaser-grosshandel.com/highheels-grosshandel.de/vendor/gambio/codeigniter-db/drivers/mysqli/mysqli_driver.php</b> on line <b>225</b><br />