preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead 
in '/var/www/analytics.services.sis-france.com/libs/Smarty/Smarty_Compiler.class.php' at the line 270

#0  Piwik_ErrorHandler(...) called at [:]
#1  preg_replace(...) called at [/var/www/analytics.services.sis-france.com/libs/Smarty/Smarty_Compiler.class.php:270]
#2  Smarty_Compiler->_compile_file(...) called at [/var/www/analytics.services.sis-france.com/libs/Smarty/Smarty.class.php:1489]
#3  Smarty->_compile_source(...) called at [/var/www/analytics.services.sis-france.com/libs/Smarty/Smarty.class.php:1422]
#4  Smarty->_compile_resource(...) called at [/var/www/analytics.services.sis-france.com/libs/Smarty/Smarty.class.php:1261]
#5  Smarty->fetch(...) called at [/var/www/analytics.services.sis-france.com/core/View.php:133]
#6  Piwik_View->render(...) called at [/var/www/analytics.services.sis-france.com/plugins/Installation/View.php:57]
#7  Piwik_Installation_View->render(...) called at [/var/www/analytics.services.sis-france.com/plugins/Installation/Controller.php:88]
#8  Piwik_Installation_Controller->welcome(...) called at [/var/www/analytics.services.sis-france.com/plugins/Installation/Installation.php:75]
#9  Piwik_Installation->dispatch(...) called at [:]
#10  call_user_func_array(...) called at [/var/www/analytics.services.sis-france.com/libs/Event/Dispatcher.php:284]
#11  Event_Dispatcher->postNotification(...) called at [/var/www/analytics.services.sis-france.com/core/PluginsManager.php:668]
#12  Piwik_PostEvent(...) called at [/var/www/analytics.services.sis-france.com/core/FrontController.php:305]
#13  Piwik_FrontController->init(...) called at [/var/www/analytics.services.sis-france.com/index.php:52]