我是Magento的新手，我试图在我的商店安装一个博客模块，我唯一知道的是magento版本是1.7，博客版本是1.0。如果您不知道如何帮助我，可以告诉我如何在网上搜索它？
致命错误：Class＆＃39; Blog_Block_Manage_Blog_Edit_Form＆＃39;在第491行的/var/www/html/store/var/cache/ew/files/Mage/Core/Model/Layout/a98f181a3dc22489d2af4466edf817fa.php中找不到。调用堆栈：0.0004 631752 1. {main}（）/ var / www /html/store/index.php:0 0.0229 3334304 2. Mage :: run（）/ var / www / html / store / index.php：87 0.0277 3551736 3. Mage_Core_Model_App-＆gt; run（）/ var / www / html / store / app / Mage.php：683 1.2110 6518712 4. Mage_Core_Controller_Varien_FrontOverriddenClass-＆gt; dispatch（）/ var / www / html / store / app / code / local / Extendware / EWPageCache / Controller / Override / Mage / Core / Varien /Front.php:32 1.2179 6655808 5. Mage_Core_Controller_Varien_Router_StandardOverriddenClass-＆gt; match（）/var/www/html/store/var/cache/ew/files/Mage/Core/Controller/Varien/Front/8b52e7f857fef0572cf21f0a3352151f.php:176 1.2197 6749312 6. Mage_Core_Controller_Varien_Action-＆gt; dispatch（）/var/www/html/store/var/cache/ew/files/Mage/Core/Controller/Varien/Router/Standard/088bf81233af8a733a03eb4d9a3bcae0.php:250 3.0816 11684784 7. Blog_Manage_BlogController- ＆gt; editAction（）/ var / www / h tml / store / app / code / core / Mage / Core / Controller / Varien / Action.php：419 3.4550 20040984 8. Mage_Core_Model_LayoutOverriddenClass-＆gt; createBlock（）/ var / www / html / store / app / code / local / myWebStore /Blog/controllers/Manage/BlogController.php:63 3.4878 20287184 9. Mage_Core_Block_Abstract-＆gt; setLayout（）/ var / www / html / store / var / cache / ew / files / Mage / Core / Model / Layout / a98f181a3dc22489d2af4466edf817fa。 php：456 3.4879 20287184 10. Mage_Adminhtml_Block_Widget_Form_Container-＆gt; _prepareLayout（）/var/www/html/store/app/code/core/Mage/Core/Block/Abstract.php:238 3.4879 20287360 11. Mage_Core_Model_LayoutOverriddenClass-＆gt; createBlock（ ）/var/www/html/store/app/code/core/Mage/Adminhtml/Block/Widget/Form/Container.php:82 3.4879 20287656 12. Mage_Core_Model_LayoutOverriddenClass-＆gt; _getBlockInstance（）/ var / www / html / store /var/cache/ew/files/Mage/Core/Model/Layout/a98f181a3dc22489d2af4466edf817fa.php:437