title: Magento Error on Product Pages Invalid attribute name: custom_use_parent_settings
body: <p>I updated mageto 1.4 to 1.5 all things fine, 
  but the product page returns follow error. also i can't index</p>
  
  <p>Indexed category/products association  and Index product prices  the label showing processing 
  when i click on reindex it appears <strong>There was a problem with reindexing process</strong>. </p>
  
  <p>i tried deleting loc files and cache and some operations on db but no luck
   can any one help me for this pls
  thank you</p>
  
  <p><a href="http://hellteam.bizarsoftware.com.au/technical-downloads/general-tech-essays-misc.html" rel="nofollow">http://hellteam.bizarsoftware.com.au/technical-downloads/general-tech-essays-misc.html</a></p>
  
  <pre><code>Invalid attribute name: custom_use_parent_settings.
  
      Trace:
      #0 /home/hellteam/public_html/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(1166): Mage::exception('Mage_Eav', 'Invalid attribu...')
      #1 /home/hellteam/public_html/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(1255): Mage_Eav_Model_Entity_Collection_Abstract-&gt;_addAttributeJoin('custom_use_pare...', 'inner')
      #2 /home/hellteam/public_html/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(292): Mage_Eav_Model_Entity_Collection_Abstract-&gt;_getAttributeConditionSql('custom_use_pare...', 0, 'inner')
      #3 /home/hellteam/public_html/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(312): Mage_Eav_Model_Entity_Collection_Abstract-&gt;addAttributeToFilter('custom_use_pare...', 0)
      #4 /home/hellteam/public_html/app/code/core/Mage/Catalog/Model/Resource/Eav/Mysql4/Category.php(589): Mage_Eav_Model_Entity_Collection_Abstract-&gt;addFieldToFilter('custom_use_pare...', 0)
      #5 /home/hellteam/public_html/app/code/core/Mage/Catalog/Model/Category.php(841): Mage_Catalog_Model_Resource_Eav_Mysql4_Category-&gt;getParentDesignCategory(Object(Mage_Catalog_Model_Category))
      #6 /home/hellteam/public_html/app/code/core/Mage/Catalog/Model/Design.php(348): Mage_Catalog_Model_Category-&gt;getParentDesignCategory(Object(Mage_Catalog_Model_Category))
      #7 /home/hellteam/public_html/app/code/local/FastDivision/Comet/controllers/Catalog/CategoryController.php(38): Mage_Catalog_Model_Design-&gt;getDesignSettings(Object(Mage_Catalog_Model_Category))
      #8 /home/hellteam/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(420): FastDivision_Comet_Catalog_CategoryController-&gt;viewAction()
      #9 /home/hellteam/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(253): Mage_Core_Controller_Varien_Action-&gt;dispatch('view')
      #10 /home/hellteam/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(176): Mage_Core_Controller_Varien_Router_Standard-&gt;match(Object(Mage_Core_Controller_Request_Http))
      #11 /home/hellteam/public_html/app/code/core/Mage/Core/Model/App.php(340): Mage_Core_Controller_Varien_Front-&gt;dispatch()
      #12 /home/hellteam/public_html/app/Mage.php(627): Mage_Core_Model_App-&gt;run(Array)
      #13 /home/hellteam/public_html/index.php(80): Mage::run('', 'store')
      #14 {main}
  </code></pre>