title: GoogleShopping Magento Error:
body: <p>I have installed and configured the Mage_GoogleShopping module on a Magento 1.7.0.2 Shop. When trying to add products to Google Shopping, /var/log/system.log displays the following errors:</p>
  
  <pre><code>2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/SalePrice.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/SalePrice.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(): Failed opening 'Mage/GoogleShopping/Model/Attribute/SalePrice.php' for inclusion (include_path='/path/to/shop/httpdocs/app/code/local:/path/to/shop/httpdocs/app/code/community:/path/to/shop/httpdocs/app/code/core:/path/to/shop/httpdocs/lib:.:')  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/SalePriceEffectiveDateFrom.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/SalePriceEffectiveDateFrom.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(): Failed opening 'Mage/GoogleShopping/Model/Attribute/SalePriceEffectiveDateFrom.php' for inclusion (include_path='/path/to/shop/httpdocs/app/code/local:/path/to/shop/httpdocs/app/code/community:/path/to/shop/httpdocs/app/code/core:/path/to/shop/httpdocs/lib:.:')  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/SalePriceEffectiveDateTo.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/SalePriceEffectiveDateTo.php): failed to open stream: No such file or directory in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(): Failed opening 'Mage/GoogleShopping/Model/Attribute/SalePriceEffectiveDateTo.php' for inclusion (include_path='/path/to/shop/httpdocs/app/code/local:/path/to/shop/httpdocs/app/code/community:/path/to/shop/httpdocs/app/code/core:/path/to/shop/httpdocs/lib:.:')  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/Name.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/Name.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(): Failed opening 'Mage/GoogleShopping/Model/Attribute/Name.php' for inclusion (include_path='/path/to/shop/httpdocs/app/code/local:/path/to/shop/httpdocs/app/code/community:/path/to/shop/httpdocs/app/code/core:/path/to/shop/httpdocs/lib:.:')  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/Description.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(Mage/GoogleShopping/Model/Attribute/Description.php): failed to open stream: No such file or directory  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  2012-09-12T12:31:27+00:00 ERR (3): Warning: include(): Failed opening 'Mage/GoogleShopping/Model/Attribute/Description.php' for inclusion (include_path='/path/to/shop/httpdocs/app/code/local:/path/to/shop/httpdocs/app/code/community:/path/to/shop/httpdocs/app/code/core:/path/to/shop/httpdocs/lib:.:')  in /path/to/shop/httpdocs/lib/Varien/Autoload.php on line 93
  </code></pre>
  
  <p>The problem has been reported several times in the Magento forums, however I have not found a solution for this.</p>
  
  <p>It is definitely no problem with permissions. The files do not exist.</p>