Here is the Backtrace:
Notice: Undefined index: show_autocompleter in /www/htdocs/v161417/tracker/tmp/templates_c/%%2E^2E7^2E7E144D%%sites_selection.tpl.php on line 5
Backtrace -->
#0 Piwik_ErrorHandler(8, Undefined index: show_autocompleter, /www/htdocs/v161417/tracker/tmp/templates_c/%%2E^2E7^2E7E144D%%sites_selection.tpl.php, 5, Array ([this] => Piwik_Smarty Object ([template_dir] => Array ([0] => /www/htdocs/v161417/tracker/plugins,[1] => /www/htdocs/v161417/tracker/themes/default,[2] => /www/htdocs/v161417/tracker/themes),[compile_dir] => /www/htdocs/v161417/tracker/tmp/templates_c,[config_dir] => configs,[plugins_dir] => Array ([0] => /www/htdocs/v161417/tracker/core/SmartyPlugins,[1] => /www/htdocs/v161417/tracker/libs/Smarty/plugins),[debugging] => ,[error_reporting] => 6143,[debug_tpl] => ,[debugging_ctrl] => NONE,[compile_check] => 1,[force_compile] => ,[caching] => 0,[cache_dir] => /www/htdocs/v161417/tracker/tmp/cache,[cache_lifetime] => 3600,[cache_modified_check] => ,[php_handling] => 0,[security] => ,[secure_dir] => Array (),[security_settings] => Array ([PHP_HANDLING] => ,[IF_FUNCS] => Array ([0] => array,[1] => list,[2] => isset,[3] => empty,[4…DeutschÜber Piwik ÜbersetzungenአማርኛالعربيةБеларускаяБългарскиCatalàČeskyDanskDeutschΕλληνικάEnglishEspañolEesti keelEuskaraSuomiFrançaisGalegoעבריתMagyarBahasa IndonesiaItaliano日本語한국어LietuviųNorsk (bokmål)NederlandsNynorskPolskiPortuguês brasileiroPortuguêsRomânăРусскийSlovenskyShqipSrpskiSvenskaతెలుగుภาษาไทยTürkçeУкраїнська简体中文台灣語,[_order] => 30,[_hasSubmenu] => )),[currentAdminMenuName] => ,[debugTrackVisitsInsidePiwikUI] => 0,[isSuperUser] => 1,[menu] => Array ([_html] => DeutschÜber Piwik ÜbersetzungenአማርኛالعربيةБеларускаяБългарскиCatalàČeskyDanskDeutschΕλληνικάEnglishEspañolEesti keelEuskaraSuomiFrançaisGalegoעבריתMagyarBahasa IndonesiaItaliano日本語한국어LietuviųNorsk (bokmål)NederlandsNynorskPolskiPortuguês brasileiroPortuguêsRomânăРусскийSlovenskyShqipSrpskiSvenskaతెలుగుภาษาไทยTürkçeУкраїнська简体中文台灣語,[_order] => 30,[_hasSubmenu] => ),[content] => ,[currentModule] => CoreHome,[userLogin] => admin,[totalTimeGeneration] => 0.697,[totalNumberOfQueries] => 0,[showSitesSelection] => 1,[label] => LanguageSelector),[_smarty_vars] => ,[_sections] => Array (),[_foreach] => Array ([topMenu] => Array ([total] => 6,[iteration] => 6)),[_tag_stack] => Array (),[_conf_obj] => ,[_config] => Array ([0] => Array ([vars] => Array (),[files] => Array ()),[1] => Array ([vars] => Array (),[files] => Array ()),[2] => Array ([vars] => Array (),[files] => Array ()),[3] => Array ([vars] => Array (),[files] => Array ())),[_smarty_md5] => f8d698aea36fcbead2b9d5359ffca76f,[_version] => 2.6.26,[_inclusion_depth] => -2,[_compile_id] => ,[_smarty_debug_id] => SMARTY_DEBUG,[_smarty_debug_info] => Array (),[_cache_info] => Array (),[_file_perms] => 420,[_dir_perms] => 505,[_reg_objects] => Array (),[_plugins] => Array ([modifier] => Array ([translate] => Array ([0] => smarty_modifier_translate,[1] => CoreHom…#1 include(/www/htdocs/v161417/tracker/tmp/templates_c/%%2E^2E7^2E7E144D%%sites_selection.tpl.php) called at [/www/htdocs/v161417/tracker/libs/Smarty/Smarty.class.php:1869]#2 Smarty->_smarty_include(Array ([smarty_include_tpl_file] => CoreHome/templates/sites_selection.tpl,[smarty_include_vars] => Array ())) called at [/www/htdocs/v161417/tracker/tmp/templates_c/%%A5^A51^A51D6D8B%%top_bar.tpl.php:46]#3 include(/www/htdocs/v161417/tracker/tmp/templates_c/%%A5^A51^A51D6D8B%%top_bar.tpl.php) called at [/www/htdocs/v161417/tracker/libs/Smarty/Smarty.class.php:1869]#4 Smarty->_smarty_include(Array ([smarty_include_tpl_file] => CoreHome/templates/top_bar.tpl,[smarty_include_vars] => Array ())) called at [/www/htdocs/v161417/tracker/tmp/templates_c/%%00^00A^00A3E455%%header.tpl.php:36]#5 include(/www/htdocs/v161417/tracker/tmp/templates_c/%%00^00A^00A3E455%%header.tpl.php) called at [/www/htdocs/v161417/tracker/libs/Smarty/Smarty.class.php:1869]#6 Smarty->_smarty_include(Array ([smarty_include_tpl_file] => CoreHome/templates/header.tpl,[smarty_include_vars] => Array ())) called at [/www/htdocs/v161417/tracker/tmp/templates_c/%%5D^5D4^5D4E60FC%%index.tpl.php:8]#7 include(/www/htdocs/v161417/tracker/tmp/templates_c/%%5D^5D4^5D4E60FC%%index.tpl.php) called at [/www/htdocs/v161417/tracker/libs/Smarty/Smarty.class.php:1263]#8 Smarty->fetch(/www/htdocs/v161417/tracker/plugins/CoreHome/templates/index.tpl) called at [/www/htdocs/v161417/tracker/core/View.php:172]#9 Piwik_View->render() called at [/www/htdocs/v161417/tracker/plugins/CoreHome/Controller.php:90]#10 Piwik_CoreHome_Controller->index() called at [(null):0]#11 call_user_func_array(Array ([0] => Piwik_CoreHome_Controller Object ([] => CoreHome,[] => 2011-02-27,[] => Piwik_Date Object ([] => 1298822513,[] => UTC),[] => 2,[] => Piwik_Site Object ([] => 2)),[1] => index), Array ()) called at [/www/htdocs/v161417/tracker/core/FrontController.php:125]#12 Piwik_FrontController->dispatch() called at [/www/htdocs/v161417/tracker/index.php:60]