我是最后一件事给我的客户所做的magento电子商务。我正在寻找管理员，如果一切都很好，我发现当我点击一个signle产品或点击管理类别，magento崩溃，并给我着名的“
处理您的请求时出错。
完整错误：
a:5:{i:0;s:100:"Sorgente modello "instagramconnect/source_instagram" non trovata per l\'attributo "instagram_source"";i:1;s:3200:"#0 /Applications/MAMP/htdocs/app/code/core/Mage/Eav/Model/Entity/Attribute/Abstract.php(390): Mage::exception('Mage_Eav', 'Sorgente modell...')
#1 /Applications/MAMP/htdocs/app/code/core/Mage/Adminhtml/Block/Widget/Form.php(203): Mage_Eav_Model_Entity_Attribute_Abstract->getSource()
#2 /Applications/MAMP/htdocs/app/code/core/Mage/Adminhtml/Block/Catalog/Product/Edit/Tab/Attributes.php(70): Mage_Adminhtml_Block_Widget_Form->_setFieldset(Array, Object(Varien_Data_Form_Element_Fieldset), Array)
#3 /Applications/MAMP/htdocs/app/code/core/Mage/Adminhtml/Block/Widget/Form.php(144): Mage_Adminhtml_Block_Catalog_Product_Edit_Tab_Attributes->_prepareForm()
#4 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Block/Abstract.php(922): Mage_Adminhtml_Block_Widget_Form->_beforeToHtml()
#5 /Applications/MAMP/htdocs/app/code/core/Mage/Adminhtml/Block/Catalog/Product/Edit/Tabs.php(79): Mage_Core_Block_Abstract->toHtml()
#6 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Block/Abstract.php(297): Mage_Adminhtml_Block_Catalog_Product_Edit_Tabs->_prepareLayout()
#7 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Model/Layout.php(456): Mage_Core_Block_Abstract->setLayout(Object(Mage_Core_Model_Layout))
#8 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Model/Layout.php(472): Mage_Core_Model_Layout->createBlock('adminhtml/catal...', 'product_tabs')
#9 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Model/Layout.php(239): Mage_Core_Model_Layout->addBlock('adminhtml/catal...', 'product_tabs')
#10 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Model/Layout.php(205): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element))
#11 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Model/Layout.php(210): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element))
#12 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(344): Mage_Core_Model_Layout->generateBlocks()
#13 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(269): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#14 /Applications/MAMP/htdocs/app/code/core/Mage/Adminhtml/Controller/Action.php(275): Mage_Core_Controller_Varien_Action->loadLayout(Array, true, true)
#15 /Applications/MAMP/htdocs/app/code/core/Mage/Adminhtml/controllers/Catalog/ProductController.php(250): Mage_Adminhtml_Controller_Action->loadLayout(Array)
#16 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Adminhtml_Catalog_ProductController->editAction()
#17 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('edit')
#18 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#19 /Applications/MAMP/htdocs/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#20 /Applications/MAMP/htdocs/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#21 /Applications/MAMP/htdocs/index.php(82): Mage::run('', 'store')
#22 {main}";s:3:"url";s:97:"/index.php/admin/catalog_product/edit/id/2809/key/f476404be4de46eba4e407d47f104f0c/css/styles.css";s:11:"script_name";s:10:"/index.php";s:4:"skin";s:5:"admin";}
尝试重新索引所有，删除缓存，但没有任何改变。
有什么想法吗？