'' is not a valid version number.
WHMCS\Exception\Version\BadVersionNumber: '' is not a valid version number. in /home/clientkatxe/public_html/vendor/whmcs/whmcs-foundation/lib/Version/AbstractVersion.php:0
Stack trace:
#0 /home/clientkatxe/public_html/vendor/whmcs/whmcs-foundation/lib/Version/AbstractVersion.php(0): WHMCS\Version\AbstractVersion->setVersion(NULL)
#1 /home/clientkatxe/public_html/includes/functions.php(0): WHMCS\Version\AbstractVersion->__construct(NULL)
#2 /home/clientkatxe/public_html/vendor/whmcs/whmcs-foundation/lib/View/Template/CompatUtil.php(0): logActivity('Failure to init...')
#3 /home/clientkatxe/public_html/vendor/whmcs/whmcs-foundation/lib/Application.php(0): WHMCS\View\Template\CompatUtil::initializeRuntimeOrderForm(Object(WHMCS\View\Template\Theme), NULL)
#4 /home/clientkatxe/public_html/vendor/whmcs/whmcs-foundation/lib/Application/ApplicationServiceProvider.php(0): WHMCS\Application->__construct(Object(WHMCS\Config\Application), Object(WHMCS\Database))
#5 /home/clientkatxe/public_html/vendor/illuminate/container/Container.php(801): WHMCS\Application\ApplicationServiceProvider->WHMCS\Application\{closure}(Object(WHMCS\Container), Array)
#6 /home/clientkatxe/public_html/vendor/illuminate/container/Container.php(687): Illuminate\Container\Container->build(Object(Closure))
#7 /home/clientkatxe/public_html/vendor/illuminate/container/Container.php(633): Illuminate\Container\Container->resolve('app', Array)
#8 /home/clientkatxe/public_html/vendor/illuminate/container/Container.php(1278): Illuminate\Container\Container->make('app')
#9 /home/clientkatxe/public_html/vendor/illuminate/support/Facades/Facade.php(198): Illuminate\Container\Container->offsetGet('app')
#10 /home/clientkatxe/public_html/vendor/illuminate/support/Facades/Facade.php(166): Illuminate\Support\Facades\Facade::resolveFacadeInstance('app')
#11 /home/clientkatxe/public_html/vendor/whmcs/whmcs-foundation/lib/Application/Support/Facades/Facade.php(0): Illuminate\Support\Facades\Facade::getFacadeRoot()
#12 /home/clientkatxe/public_html/init.php(0): WHMCS\Application\Support\Facades\Facade::self()
#13 /home/clientkatxe/public_html/index.php(0): unknown()
#14 {main}