InvalidArgumentException: Unable to unserialize value. in /data/wwwroot/itpurse.cn/vendor/magento/framework/Serialize/Serializer/Serialize.php:33
Stack trace:
#0 /data/wwwroot/itpurse.cn/vendor/magento/framework/Serialize/Serializer/Sensitive.php(61): Magento\Framework\Serialize\Serializer\Serialize->unserialize('')
#1 /data/wwwroot/itpurse.cn/vendor/magento/module-config/App/Config/Type/System.php(297): Magento\Framework\Serialize\Serializer\Sensitive->unserialize('')
#2 /data/wwwroot/itpurse.cn/vendor/magento/module-config/App/Config/Type/System.php(236): Magento\Config\App\Config\Type\System->Magento\Config\App\Config\Type\{closure}()
#3 /data/wwwroot/itpurse.cn/vendor/magento/module-config/App/Config/Type/System.php(298): Magento\Config\App\Config\Type\System->lockedLoadData(Object(Closure))
#4 /data/wwwroot/itpurse.cn/vendor/magento/module-config/App/Config/Type/System.php(206): Magento\Config\App\Config\Type\System->loadDefaultScopeData('default')
#5 /data/wwwroot/itpurse.cn/vendor/magento/module-config/App/Config/Type/System.php(180): Magento\Config\App\Config\Type\System->getWithParts('default/web/sec...')
#6 /data/wwwroot/itpurse.cn/vendor/magento/framework/App/Config.php(131): Magento\Config\App\Config\Type\System->get('default/web/sec...')
#7 /data/wwwroot/itpurse.cn/vendor/magento/framework/App/Config.php(80): Magento\Framework\App\Config->get('system', 'default/web/sec...')
#8 /data/wwwroot/itpurse.cn/vendor/magento/framework/App/Config.php(93): Magento\Framework\App\Config->getValue('web/secure/use_...', 'default', NULL)
#9 /data/wwwroot/itpurse.cn/vendor/magento/module-store/Model/HeaderProvider/Hsts.php(48): Magento\Framework\App\Config->isSetFlag('web/secure/use_...')
#10 /data/wwwroot/itpurse.cn/vendor/magento/framework/App/Response/HeaderManager.php(41): Magento\Store\Model\HeaderProvider\Hsts->canApply()
#11 /data/wwwroot/itpurse.cn/vendor/magento/framework/Interception/Interceptor.php(122): Magento\Framework\App\Response\HeaderManager->beforeSendResponse(Object(Magento\Framework\App\Response\Http\Interceptor))
#12 /data/wwwroot/itpurse.cn/vendor/magento/framework/Interception/Interceptor.php(154): Magento\Framework\App\Response\Http\Interceptor->Magento\Framework\Interception\{closure}()
#13 /data/wwwroot/itpurse.cn/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(26): Magento\Framework\App\Response\Http\Interceptor->___callPlugins('sendResponse', Array, Array)
#14 /data/wwwroot/itpurse.cn/vendor/magento/framework/App/Http.php(186): Magento\Framework\App\Response\Http\Interceptor->sendResponse()
#15 /data/wwwroot/itpurse.cn/vendor/magento/framework/App/Http.php(157): Magento\Framework\App\Http->handleDeveloperMode(Object(Magento\Framework\App\Bootstrap), Object(InvalidArgumentException))
#16 /data/wwwroot/itpurse.cn/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http->catchException(Object(Magento\Framework\App\Bootstrap), Object(InvalidArgumentException))
#17 /data/wwwroot/itpurse.cn/pub/index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http))
#18 {main}