1 exception(s): Exception #0 (Magento\Framework\Exception\CouldNotSaveException): Unable to save new activity. Error: Unique constraint violation found Exception #0 (Magento\Framework\Exception\CouldNotSaveException): Unable to save new activity. Error: Unique constraint violation found
#1 Amasty\Fpc\Observer\SendResponseBefore->execute() called at [vendor/magento/framework/Event/Invoker/InvokerDefault.php:88]
#2 Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod() called at [vendor/magento/framework/Event/Invoker/InvokerDefault.php:74]
#3 Magento\Framework\Event\Invoker\InvokerDefault->dispatch() called at [vendor/magento/framework/Event/Manager.php:66]
#4 Magento\Framework\Event\Manager->dispatch() called at [vendor/magento/framework/App/Http.php:131]
#5 Magento\Framework\App\Http->launch() called at [vendor/magento/framework/App/Bootstrap.php:264]
#6 Magento\Framework\App\Bootstrap->run() called at [pub/index.php:29]