Fatal error: Uncaught Error: Class 'Mage_Customer_Model_Group' not found in /var/www/www.dollskill.com/app/code/local/Amasty/Fpc/Model/Fpc/Front.php:213 Stack trace: #0 /var/www/www.dollskill.com/app/code/local/Amasty/Fpc/Model/Fpc/Front.php(389): Amasty_Fpc_Model_Fpc_Front->getCustomerGroupId() #1 /var/www/www.dollskill.com/app/code/local/Amasty/Fpc/Model/Fpc/Front.php(747): Amasty_Fpc_Model_Fpc_Front->getCacheKey() #2 /var/www/www.dollskill.com/app/code/local/Amasty/Fpc/Model/Fpc/Front.php(1331): Amasty_Fpc_Model_Fpc_Front->fetch() #3 /var/www/www.dollskill.com/app/code/core/Mage/Core/Model/Cache.php(687): Amasty_Fpc_Model_Fpc_Front->extractContent(false) #4 /var/www/www.dollskill.com/app/code/core/Mage/Core/Model/App.php(351): Mage_Core_Model_Cache->processRequest() #5 /var/www/www.dollskill.com/app/Mage.php(683): Mage_Core_Model_App->run(Array) #6 /var/www/www.dollskill.com/index.php(91): Mage::run('', 'store') #7 {main} thrown in /var/www/www.dollskill.com/app/code/local/Amasty/Fpc/Model/Fpc/Front.php on line 213