PHP Warning: Attempt to read property "global" on null in /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/Config.php on line 1371

#0 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/Config.php(1371): mageCoreErrorHandler()
#1 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/Config.php(1478): Mage_Core_Model_Config->getGroupedClassName()
#2 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/Config.php(1496): Mage_Core_Model_Config->getModelClassName()
#3 /home/lanmaster/matreshka/www/app/Mage.php(541): Mage_Core_Model_Config->getModelInstance()
#4 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/App.php(416): Mage::getModel()
#5 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/App.php(291): Mage_Core_Model_App->_initCache()
#6 /home/lanmaster/matreshka/www/app/code/core/Mage/Core/Model/App.php(334): Mage_Core_Model_App->baseInit()
#7 /home/lanmaster/matreshka/www/app/Mage.php(766): Mage_Core_Model_App->run()
#8 /home/lanmaster/matreshka/www/index.php(55): Mage::run()
#9 {main}