I am new in Magento and in Magento (Magento ver. 1.9.3.2), it show Exception of
Invalid block type: Mage_Adminhtml_Block_Sales_Order_Totals_Subtotal(in exception.log)
And reason of that Exception Order Totals, Refund Totals and other things not show in admin.
2017-11-29T04:56:07+00:00 ERR (3): Mage_Core_Exception: Invalid block type: Mage_Adminhtml_Block_Sales_Order_Totals_Subtotal in /var/www/vhosts/bsus.es/wehn.bsus.es/app/Mage.php:595 Stack trace: 0 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28754): Mage::throwException('Invalid block t...') 1 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28696): Mage_Core_Model_Layout->_getBlockInstance('Mage_Adminhtml_...', Array) 2 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28731): Mage_Core_Model_Layout->createBlock('adminhtml/sales...', 'subtotal') 3 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28498): Mage_Core_Model_Layout->addBlock('adminhtml/sales...', 'subtotal') 4 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28464): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element)) 5 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28465): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) 6 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28465): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) 7 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28465): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) 8 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28465): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) 9 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28465): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) 10 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(28469): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element)) 11 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(14260): Mage_Core_Model_Layout->generateBlocks() 12 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(14185): Mage_Core_Controller_Varien_Action->generateLayoutBlocks() 13 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/Mage_Adminhtml_Controller_Action.php(275): Mage_Core_Controller_Varien_Action->loadLayout(NULL, true, true) 14 /var/www/vhosts/bsus.es/wehn.bsus.es/app/code/core/Mage/Adminhtml/controllers/Sales/Order/CreditmemoController.php(233): Mage_Adminhtml_Controller_Action->loadLayout() 15 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(14334): Mage_Adminhtml_Sales_Order_CreditmemoController->newAction() 16 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(18813): Mage_Core_Controller_Varien_Action->dispatch('new') 17 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(18343): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http)) 18 /var/www/vhosts/bsus.es/wehn.bsus.es/includes/src/__default.php(21279): Mage_Core_Controller_Varien_Front->dispatch() 19 /var/www/vhosts/bsus.es/wehn.bsus.es/app/Mage.php(683): Mage_Core_Model_App->run(Array) 20 /var/www/vhosts/bsus.es/wehn.bsus.es/index.php(83): Mage::run('', 'store') 21 {main}
any help or suggestion will be appreciated