Critical Error

Could not connect to the 'whmcs_v8_new' database.

WHMCS\Exception\Application\Configuration\CannotConnectToDatabase: Could not connect to the 'whmcs_v8_new' database. in /home/account.infoserve.com/public_html/vendor/whmcs/whmcs-foundation/lib/Application/ApplicationServiceProvider.php:0
Stack trace:
#0 /home/account.infoserve.com/public_html/vendor/illuminate/container/Container.php(801): WHMCS\Application\ApplicationServiceProvider->WHMCS\Application\{closure}()
#1 /home/account.infoserve.com/public_html/vendor/illuminate/container/Container.php(687): Illuminate\Container\Container->build()
#2 /home/account.infoserve.com/public_html/vendor/illuminate/container/Container.php(633): Illuminate\Container\Container->resolve()
#3 /home/account.infoserve.com/public_html/vendor/illuminate/container/Container.php(1278): Illuminate\Container\Container->make()
#4 /home/account.infoserve.com/public_html/vendor/illuminate/support/Facades/Facade.php(198): Illuminate\Container\Container->offsetGet()
#5 /home/account.infoserve.com/public_html/vendor/illuminate/support/Facades/Facade.php(166): Illuminate\Support\Facades\Facade::resolveFacadeInstance()
#6 /home/account.infoserve.com/public_html/vendor/whmcs/whmcs-foundation/lib/Application/Support/Facades/Facade.php(0): Illuminate\Support\Facades\Facade::getFacadeRoot()
#7 /home/account.infoserve.com/public_html/init.php(0): WHMCS\Application\Support\Facades\Facade::self()
#8 /home/account.infoserve.com/public_html/index.php(0): unknown()
#9 {main}