Fatal error: Uncaught Error: Call to undefined function simplexml_load_string() in /home/bebegav/www/lib/Varien/Simplexml/Config.php:510 Stack trace: #0 /home/bebegav/www/lib/Varien/Simplexml/Config.php(498): Varien_Simplexml_Config->loadString('<?xml version="...', 'Mage_Core_Model...') #1 /home/bebegav/www/app/code/local/NBSSystem/Nitrogento/Helper/Data.php(101): Varien_Simplexml_Config->loadFile('/home/bebegav/w...') #2 /home/bebegav/www/app/code/local/NBSSystem/Nitrogento/Main.php(27): NBSSystem_Nitrogento_Helper_Data::getSimpleConfig() #3 /home/bebegav/www/app/code/local/NBSSystem/Nitrogento/Main.php(17): NBSSystem_Nitrogento_Main::getInstanceName('NBSSystem_Nitro...') #4 /home/bebegav/www/app/code/local/NBSSystem/Nitrogento/Main.php(53): NBSSystem_Nitrogento_Main::getInstance() #5 /home/bebegav/www/index.php(79): NBSSystem_Nitrogento_Main::init() #6 {main} thrown in /home/bebegav/www/lib/Varien/Simplexml/Config.php on line 510