Cannot parse XML file at /home/lanmaster/matreshka/www/app/etc/modules/Amasty_Alert.xml

#0 /home/lanmaster/matreshka/www/lib/Varien/Simplexml/Config.php(435): Mage::throwException()
#1 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/Config.php(921): Varien_Simplexml_Config->loadFile()
#2 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/Config.php(382): Mage_Core_Model_Config->_loadDeclaredModules()
#3 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/App.php(432): Mage_Core_Model_Config->loadModules()
#4 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/App.php(340): Mage_Core_Model_App->_initModules()
#5 /home/lanmaster/matreshka/www/app/Mage.php(766): Mage_Core_Model_App->run()
#6 /home/lanmaster/matreshka/www/index.php(55): Mage::run()
#7 {main}