Magento 1.9 Error – Removed Module Now Displaying Exception: Invalid Backend Model Specified

errormagento-1.9

After uninstalling the "Background Image Changer" by Licentia the products, products category, and URL rewrites on the back-end display the following error messages:

Exception printing is disabled by default for security reasons

Error log record number:788538698543

This error message also displays if I attempt to load any page from the front-end.

I honestly don't know what happen. The project is nearly done and I would die if this error is a fatal one. Please oh please any help!!! I honestly don't know the reason for this error. It kind of happened after uninstalling that extension which didn't work.

and the log in the var folder is:

a:5:{i:0;s:71:"Invalid backend model specified: scena/catalog_attribute_backend_cimage";i:1;s:6377:"
#0/home/rstern123/public_html/app/code/core/Mage/Eav/Model/Entity/Attribute/Abstract.php(346): Mage::exception('Mage_Eav', 'Invalid backend...')
#1/home/rstern123/public_html/app/code/core/Mage/Catalog/Model/Resource/Abstract.php(205): Mage_Eav_Model_Entity_Attribute_Abstract->getBackend()
#2/home/rstern123/public_html/app/code/core/Mage/Eav/Model/Entity/Abstract.php(998): Mage_Catalog_Model_Resource_Abstract->_setAttributeValue(Object(Mage_Catalog_Model_Category), Array)
#3/home/rstern123/public_html/app/code/core/Mage/Eav/Model/Entity/Abstract.php(959): Mage_Eav_Model_Entity_Abstract->_loadModelAttributes(Object(Mage_Catalog_Model_Category))
#4/home/rstern123/public_html/app/code/core/Mage/Catalog/Model/Resource/Abstract.php(698): Mage_Eav_Model_Entity_Abstract->load(Object(Mage_Catalog_Model_Category), '2', NULL)
#5/home/rstern123/public_html/app/code/core/Mage/Core/Model/Abstract.php(225): Mage_Catalog_Model_Resource_Abstract->load(Object(Mage_Catalog_Model_Category), '2', NULL)
#6/home/rstern123/public_html/app/code/core/Mage/Catalog/Model/Layer.php(167): Mage_Core_Model_Abstract->load('2')
#7/home/rstern123/public_html/app/code/core/Mage/Catalog/Model/Observer.php(278): Mage_Catalog_Model_Layer->getCurrentCategory()
#8/home/rstern123/public_html/app/code/core/Mage/Catalog/Model/Observer.php(249): Mage_Catalog_Model_Observer->_isActiveMenuCategory(Object(Varien_Data_Tree_Node))
#9/home/rstern123/public_html/app/code/core/Mage/Catalog/Model/Observer.php(218): Mage_Catalog_Model_Observer->_addCategoriesToMenu(Object(Varien_Data_Tree_Node_Collection), Object(Varien_Data_Tree_Node), Object(Mage_Page_Block_Html_Topmenu), true)
#10/home/rstern123/public_html/app/code/core/Mage/Core/Model/App.php(1338): Mage_Catalog_Model_Observer->addCatalogToTopmenuItems(Object(Varien_Event_Observer))
#11/home/rstern123/public_html/app/code/core/Mage/Core/Model/App.php(1317): Mage_Core_Model_App->_callObserverMethod(Object(Mage_Catalog_Model_Observer), 'addCatalogToTop...', Object(Varien_Event_Observer))
#12/home/rstern123/public_html/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('page_block_html...', Array)
#13/home/rstern123/public_html/app/code/core/Mage/Page/Block/Html/Topmenu.php(74): Mage::dispatchEvent('page_block_html...', Array)
#14/home/rstern123/public_html/app/design/frontend/rwd/default/template/page/html/topmenu.phtml(34): Mage_Page_Block_Html_Topmenu->getHtml('level-top')
#15/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home/rstern123...')
#16/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/rwd/de...')
#17/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#18/home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#19/home/rstern123/public_html/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#20/home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#21/home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#22/home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('topMenu', true)
#23/home/rstern123/public_html/app/design/frontend/rwd/default/template/page/html/header.phtml(87): Mage_Core_Block_Abstract->getChildHtml('topMenu')
#24/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home/rstern123...')
#25/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/rwd/de...')
#26/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#27/home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#28/home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#29/home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('header', true)
#30/home/rstern123/public_html/app/design/frontend/rwd/default/template/page/1column.phtml(49): Mage_Core_Block_Abstract->getChildHtml('header')
#31/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(241): include('/home/rstern123...')
#32/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/rwd/de...')
#33/home/rstern123/public_html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#34 /home/rstern123/public_html/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#35/home/rstern123/public_html/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#36/home/rstern123/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#37/home/rstern123/public_html/app/code/core/Mage/Cms/Helper/Page.php(137): Mage_Core_Controller_Varien_Action->renderLayout()
#38/home/rstern123/public_html/app/code/core/Mage/Cms/Helper/Page.php(52): Mage_Cms_Helper_Page->_renderPage(Object(Mage_Cms_IndexController), 'home')
#39/home/rstern123/public_html/app/code/core/Mage/Cms/controllers/IndexController.php(45) : Mage_Cms_Helper_Page->renderPage(Object(Mage_Cms_IndexController), 'home')
#40/home/rstern123/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Cms_IndexController->indexAction()
#41/home/rstern123/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('index')
#42/home/rstern123/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#43/home/rstern123/public_html/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#44/home/rstern123/public_html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#45/home/rstern123/public_html/index.php(87): Mage::run('', 'store')
#46{main}";s:3:"url";s:1:"/";s:11:"script_name";s:10:"/index.php";s:4:"skin";s:7:"default";}

Best Answer

There is a category attribute that was using a model from the extension you removed. The error is thrown because Magento is trying to load the model and is unable to find it.

A quick way to fix it is to check the eav_attribute table in the database for this model and remove the attribute that is using it. I'm guessing the attribute itself should not be in use any more since you removed the extension

Related Solutions

Magento 1.7 – Fix Currency ‘USD’ Not Found Error

Ok so I am not sure if this is the bug but if you compare the Magento 1.8 and Magento 1.7 versions of the function currency in Mage_Core_Model_Local you will notice a reference to a bug with Zend_Currency

Magento 1.7: Mage_Core_Model_Local->currency

/**
 * Create Zend_Currency object for current locale
 *
 * @param   string $currency
 * @return  Zend_Currency
 */
public function currency($currency)
{
    Varien_Profiler::start('locale/currency');
    if (!isset(self::$_currencyCache[$this->getLocaleCode()][$currency])) {
        try {
            $currencyObject = new Zend_Currency($currency, $this->getLocale());
        } catch (Exception $e) {
            $currencyObject = new Zend_Currency($this->getCurrency(), $this->getLocale());
            $options = array(
                    'name'      => $currency,
                    'currency'  => $currency,
                    'symbol'    => $currency
            );
            $currencyObject->setFormat($options);
        }

        self::$_currencyCache[$this->getLocaleCode()][$currency] = $currencyObject;
    }
    Varien_Profiler::stop('locale/currency');
    return self::$_currencyCache[$this->getLocaleCode()][$currency];
}

Magento 1.8: Mage_Core_Model_Local->currency

/**
 * Create Zend_Currency object for current locale
 *
 * @param   string $currency
 * @return  Zend_Currency
 */
public function currency($currency)
{
    Varien_Profiler::start('locale/currency');
    if (!isset(self::$_currencyCache[$this->getLocaleCode()][$currency])) {
        $options = array();
        try {
            $currencyObject = new Zend_Currency($currency, $this->getLocale());
        } catch (Exception $e) {
            /**
             * catch specific exceptions like "Currency 'USD' not found"
             * - back end falls with specific locals as Malaysia and etc.
             *
             * as we can see from Zend framework ticket
             * http://framework.zend.com/issues/browse/ZF-10038
             * zend team is not going to change it behaviour in the near time
             */
            $currencyObject = new Zend_Currency($currency);
            $options['name'] = $currency;
            $options['currency'] = $currency;
            $options['symbol'] = $currency;
        }

        $options = new Varien_Object($options);
        Mage::dispatchEvent('currency_display_options_forming', array(
            'currency_options' => $options,
            'base_code' => $currency
        ));

        $currencyObject->setFormat($options->toArray());
        self::$_currencyCache[$this->getLocaleCode()][$currency] = $currencyObject;
    }
    Varien_Profiler::stop('locale/currency');
    return self::$_currencyCache[$this->getLocaleCode()][$currency];
}

My suggestion would be to try updating the try catch to match that of Magento 1.8 (I know this is not the best solution and obviously I would not suggest editing the core files but adding a rewrite)

Magento 1.9 Installation – Fix Invalid Backend Model for Zitec: Site Branding

Look in the table eav_attribute for a record with backend_model = 'scena/catalog_attribute_backend_cimage' and delete the row.
Clear the cache when you are done.

[EDIT]
I took a look through the extension code.
To completely uninstall the extension you need to remove the tables zitec_branding_store and zitec_branding. and remove the extension from the core_resource table` with

DELETE FROM `core_resource` WHERE `code` = 'zitec_branding_setup';

The extension does not add any product or category attributes. My hunch is that you have an other extension that is responsible for this error.
I see that you have an extension called BL_CustomGrid that has an eval in it. Never use extensions that have eval in their php code. Even if they might work, they are very dangerous.

Best Answer

Related Solutions

Magento 1.7 – Fix Currency ‘USD’ Not Found Error

Magento 1.9 Installation – Fix Invalid Backend Model for Zitec: Site Branding

Related Topic