Could not connect to the 'agentquote_whmcs' database.
WHMCS\Exception\Application\Configuration\CannotConnectToDatabase: Could not connect to the 'agentquote_whmcs' database. in /var/www/html/vendor/whmcs/whmcs-foundation/lib/Application/ApplicationServiceProvider.php:0
Stack trace:
#0 /var/www/html/vendor/illuminate/container/Container.php(801): WHMCS\Application\ApplicationServiceProvider->WHMCS\Application\{closure}(Object(WHMCS\Container), Array)
#1 /var/www/html/vendor/illuminate/container/Container.php(687): Illuminate\Container\Container->build(Object(Closure))
#2 /var/www/html/vendor/illuminate/container/Container.php(633): Illuminate\Container\Container->resolve('app', Array)
#3 /var/www/html/vendor/illuminate/container/Container.php(1280): Illuminate\Container\Container->make('app')
#4 /var/www/html/vendor/illuminate/support/Facades/Facade.php(198): Illuminate\Container\Container->offsetGet('app')
#5 /var/www/html/vendor/illuminate/support/Facades/Facade.php(166): Illuminate\Support\Facades\Facade::resolveFacadeInstance('app')
#6 /var/www/html/vendor/whmcs/whmcs-foundation/lib/Application/Support/Facades/Facade.php(0): Illuminate\Support\Facades\Facade::getFacadeRoot()
#7 /var/www/html/init.php(0): WHMCS\Application\Support\Facades\Facade::self()
#8 /var/www/html/submitticket.php(0): unknown()
#9 {main}