1 exception(s): Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded
#1 Magento\Framework\App\PageCache\Kernel->process(&Magento\Framework\App\Response\Http\Interceptor#00000000272bbe0300000000412668f4#) called at [vendor/magento/module-page-cache/Model/Controller/Result/BuiltinPlugin.php:96]
#2 Magento\PageCache\Model\Controller\Result\BuiltinPlugin->afterRenderResult(&Magento\Framework\View\Result\Page\Interceptor#00000000272b902f00000000412668f4#, &Magento\Framework\View\Result\Page\Interceptor#00000000272b902f00000000412668f4#, &Magento\Framework\App\Response\Http\Interceptor#00000000272bbe0300000000412668f4#) called at [vendor/magento/framework/Interception/Interceptor.php:209]
#3 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Response\Http\Interceptor#00000000272bbe0300000000412668f4#) called at [vendor/magento/framework/Interception/Interceptor.php:216]
#4 Magento\Framework\View\Result\Page\Interceptor->___callPlugins('renderResult', array(&Magento\Framework\App\Response\Http\Interceptor#00000000272bbe0300000000412668f4#), NULL) called at [generated/code/Magento/Framework/View/Result/Page/Interceptor.php:26]
#5 Magento\Framework\View\Result\Page\Interceptor->renderResult(&Magento\Framework\App\Response\Http\Interceptor#00000000272bbe0300000000412668f4#) called at [vendor/magento/framework/App/Http.php:120]
#6 Magento\Framework\App\Http->launch() called at [vendor/magento/framework/App/Bootstrap.php:261]
#7 Magento\Framework\App\Bootstrap->run(&Magento\Framework\App\Http\Interceptor#00000000272bbe0500000000412668f4#) called at [index.php:39]