Critical Error

Could not find any language files.

WHMCS\Exception: Could not find any language files. in /var/www/vhosts/iptvbillingsolution.com/public/vendor/whmcs/whmcs-foundation/lib/Language/AbstractLanguage.php:0
Stack trace:
#0 /var/www/vhosts/iptvbillingsolution.com/public/vendor/whmcs/whmcs-foundation/lib/Language/AbstractLanguage.php(0): WHMCS\Language\AbstractLanguage::getLanguages()
#1 /var/www/vhosts/iptvbillingsolution.com/public/vendor/whmcs/whmcs-foundation/lib/Language/ClientLanguage.php(0): WHMCS\Language\AbstractLanguage::getValidLanguageName()
#2 /var/www/vhosts/iptvbillingsolution.com/public/vendor/whmcs/whmcs-foundation/lib/Utility/Bootstrap/Application.php(0): WHMCS\Language\ClientLanguage::factory()
#3 /var/www/vhosts/iptvbillingsolution.com/public/vendor/illuminate/container/Container.php(801): WHMCS\Utility\Bootstrap\Application::WHMCS\Utility\Bootstrap\{closure}()
#4 /var/www/vhosts/iptvbillingsolution.com/public/vendor/illuminate/container/Container.php(687): Illuminate\Container\Container->build()
#5 /var/www/vhosts/iptvbillingsolution.com/public/vendor/illuminate/container/Container.php(633): Illuminate\Container\Container->resolve()
#6 /var/www/vhosts/iptvbillingsolution.com/public/vendor/illuminate/support/Facades/Facade.php(261): Illuminate\Container\Container->make()
#7 /var/www/vhosts/iptvbillingsolution.com/public/init.php(0): Illuminate\Support\Facades\Facade::__callStatic()
#8 /var/www/vhosts/iptvbillingsolution.com/public/index.php(0): unknown()
#9 {main}