preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead 
in 'C:\home\site\wwwroot\libs\Smarty\Smarty_Compiler.class.php' at the line 270

#0  Piwik_ErrorHandler(...) called at [:]
#1  preg_replace(...) called at [C:\home\site\wwwroot\libs\Smarty\Smarty_Compiler.class.php:270]
#2  Smarty_Compiler->_compile_file(...) called at [C:\home\site\wwwroot\libs\Smarty\Smarty.class.php:1489]
#3  Smarty->_compile_source(...) called at [C:\home\site\wwwroot\libs\Smarty\Smarty.class.php:1422]
#4  Smarty->_compile_resource(...) called at [C:\home\site\wwwroot\libs\Smarty\Smarty.class.php:1261]
#5  Smarty->fetch(...) called at [C:\home\site\wwwroot\core\View.php:133]
#6  Piwik_View->render(...) called at [C:\home\site\wwwroot\plugins\Installation\View.php:57]
#7  Piwik_Installation_View->render(...) called at [C:\home\site\wwwroot\plugins\Installation\Controller.php:88]
#8  Piwik_Installation_Controller->welcome(...) called at [C:\home\site\wwwroot\plugins\Installation\Installation.php:75]
#9  Piwik_Installation->dispatch(...) called at [:]
#10  call_user_func_array(...) called at [C:\home\site\wwwroot\libs\Event\Dispatcher.php:284]
#11  Event_Dispatcher->postNotification(...) called at [C:\home\site\wwwroot\core\PluginsManager.php:722]
#12  Piwik_PostEvent(...) called at [C:\home\site\wwwroot\core\FrontController.php:281]
#13  Piwik_FrontController->init(...) called at [C:\home\site\wwwroot\index.php:52]