Error since 1.11.1

Quote
Message
#0 Piwik_ErrorHandler(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/tmp/templates_c/%%25^25A^25A8A371%%top_bar_top_menu.tpl.php:6]
#1 include(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/libs/Smarty/Smarty.class.php:1869]
#2 Smarty->_smarty_include(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/tmp/templates_c/%%A5^A51^A51D6D8B%%top_bar.tpl.php:8]
#3 include(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/libs/Smarty/Smarty.class.php:1869]
#4 Smarty->_smarty_include(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/tmp/templates_c/%%38^383^383EA889%%header.tpl.php:49]
#5 include(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/libs/Smarty/Smarty.class.php:1869]
#6 Smarty->_smarty_include(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/tmp/templates_c/%%A6^A6A^A6A3DC79%%SitesManager.tpl.php:6]
#7 include(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/libs/Smarty/Smarty.class.php:1263]
#8 Smarty->fetch(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/core/View.php:127]
#9 Piwik_View->render(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/plugins/SitesManager/Controller.php:78]
#10 Piwik_SitesManager_Controller->index(...) called at [:]
#11 call_user_func_array(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/core/FrontController.php:136]
#12 Piwik_FrontController->dispatch(...) called at [/var/www/vhosts/christian1.de/httpdocs/piwik/index.php:52]