PrestaShop-更改托管主机的PHP版本后出错（PS 1.7.5。）

Question

昨天我们将托管版本从PHP 7.0更改为7.3，之后我们的网站www.bofast.cz停止运行，并且出现了一些错误。我们回到了7.0版，但没有帮助。这是我们得到的错误：

(1/1) ClassNotFoundException

Attempted to load class "Repository" from namespace "PrestaShop\PrestaShop\Core\Cldr".
Did you forget a "use" statement for e.g. "PrestaShop\PrestaShop\Core\Cldr\Repository", "PrestaShop\PrestaShop\Core\Localization\Currency\Repository" or "PrestaShop\PrestaShop\Core\Localization\Locale\Repository"?

in Tools.php line 724
at ToolsCore::getCldr(object(Context))

in Currency.php line 101
at CurrencyCore->__construct('1')

in Currency.php line 614
at CurrencyCore::getCurrencyInstance('1')

in Tools.php line 685
at ToolsCore::setCurrency(object(Cookie))

in FrontController.php line 350
at FrontControllerCore->init()

in Controller.php line 262
at ControllerCore->run()

in Dispatcher.php line 511
at DispatcherCore->dispatch()

in index.php line 28

Answer 1

还原后是否从“高级首选项”->“性能”选项卡中清除了所有Prestashop缓存？如果没有，请执行此操作。 或者，删除var / cache目录，然后让PS重新创建它。