Fatal error: Uncaught Error: Class 'Mage_ProductAlert_Block_Product_View' not found in /home/plantage/public_html/app/code/local/Mage/Core/Model/Layout.php:491 Stack trace: #0 /home/plantage/public_html/app/code/local/Mage/Core/Model/Layout.php(437): Mage_Core_Model_Layout->_getBlockInstance('Mage_ProductAle...', Array) #1 /home/plantage/public_html/app/code/local/Mage/Core/Model/Layout.php(472): Mage_Core_Model_Layout->createBlock('productalert/pr...', 'productalert.st...') #2 /home/plantage/public_html/app/code/local/Mage/Core/Model/Layout.php(239): Mage_Core_Model_Layout->addBlock('productalert/pr...', 'productalert.st...') #3 /home/plantage/public_html/app/code/local/Mage/Core/Model/Layout.php(205): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element)) #4 /home/plantage/public_html/app/code/local/Mage/Core/Model/Layout.php(210): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) #5 /home/plantage/public_html/app/code/local/Mag in /home/plantage/public_html/app/code/local/Mage/Core/Model/Layout.php on line 491