When I try to update via /piwik/index.php?module=CoreUpdater&action=newVersionAvailable I get following Notice:

Notice: Undefined variable: newVersion in /Library/WebServer/Documents/WebServer/Documents/piwik/plugins/CoreUpdater/Controller.php on line 25

Backtrace —>

1. Piwik_ErrorHandler(8, Undefined variable: newVersion, /Library/WebServer/Documents/WebServer/Documents/piwik/plugins/CoreUpdater/Controller.php, 25, Array ([=> Piwik_View Object ([](view]) => CoreUpdater/templates/update_new_version_available.tpl,[=> Piwik_Smarty Object ([template_dir](]) => Array ([=> plugins,¹(0]) => themes/default,[=> themes),[compile_dir](2]) => tmp/templates_c,[=> configs,[plugins_dir](config_dir]) => Array ([=> libs/Smarty/plugins,¹(0]) => core/SmartyPlugins),[=> 1,[error_reporting](debugging]) => 6143,[=> ,[debugging_ctrl](debug_tpl]) => NONE,[=> 1,[force_compile](compile_check]) => ,[=> 0,[cache_dir](caching]) => tmp/cache,[=> 3600,[cache_modified_check](cache_lifetime]) => ,[=> 0,[security](php_handling]) => ,[=> Array (),[security_settings](secure_dir]) => Array ([=> ,[IF_FUNCS](PHP_HANDLING]) => Array ([=> array,¹(0]) => list,[=> isset,³(2]) => empty,[=> count,⁵(4]) => sizeof,[=> in_array,⁷(6]) => is_array,[=> true,⁹(8]) => false,[=> null),[INCLUDE_ANY](10]) => ,[=> ,[MODIFIER_FUNCS](PHP_TAGS]) => Array ([=> count),[ALLOW_CONSTANTS](0]) => ),[=> Array (),[left_delimiter](trusted_dir]) => {,[=> },[request_vars_order](right_delimiter]) => EGPCS,[=> 1,[compile_id](request_use_auto_globals]) => ,[=> ,[default_modifiers](use_sub_dirs]) => Array (),[=> file,[cache_handler_func](default_resource_type]) => ,[=> Array (),[config_overwrite](autoload_filters]) => 1,[=> 1,[config_read_hidden](config_booleanize]) => ,[=> 1,[default_template_handler_func](config_fix_newlines]) => ,[=> Smarty_Compiler.class.php,[compiler_class](compiler_file]) => Smarty_Compiler,[=> Config_File,tpl_vars](config_class]) => Array ([=> /WebServer/Documents/piwik/index.php,[piwikUrl](SCRIPT_NAME]) => http://localhost/WebServer/Documents/piwik/,[=> 0.2.32),smarty_vars](piwik_version]) => ,[=> Array (),foreach](sections]) => Array (),[=> Array (),conf_obj](tag_stack]) => ,[=> Array (⁰(config]) => Array ([=> Array (),[files](vars]) => Array ())),[=> f8d698aea36fcbead2b9d5359ffca76f,version](smarty_md5]) => 2.6.22,[=> 0,compile_id](inclusion_depth]) => ,[=> SMARTY_DEBUG,smarty_debug_info](smarty_debug_id]) => Array (),[=> Array (),file_perms](_cacheinfo]) => 420,[=> 505,[regobjects](dirperms]) => Array (),[=> Array ([modifier](plugins]) => Array (),[=> Array (),[block](function]) => Array (),[=> Array (),[prefilter](compiler]) => Array (),[=> Array (),[outputfilter](postfilter]) => Array ([=> Array (⁰(trimwhitespace]) => smartyoutputfiltertrimwhitespace,[=> ,²(1]) => ,[=> 1,⁴(3]) => 1)),[=> Array (),[insert](resource]) => Array ()),[=> Array (),[cacheinclude](cacheserials]) => ,[=> ),[](cacheincluding]) => Array ()))) called at [/Library/WebServer/Documents/WebServer/Documents/piwik/plugins/CoreUpdater/Controller.php:25]
2. Piwik_CoreUpdater_Controller→newVersionAvailable()
3. call_user_func_array(Array ([=> Piwik_CoreUpdater_Controller Object ([](0]) => Array (),[=> ,[](]) => Array (),[=> Array (),[](]) => Array (),[=> CoreUpdater,[](]) => 2009-04-13,[=> Piwik_Date Object ([](]) => 1239573600)),[=> newVersionAvailable), Array ()) called at [/Library/WebServer/Documents/WebServer/Documents/piwik/core/FrontController.php:147](1])
4. Piwik_FrontController→dispatch() called at [/Library/WebServer/Documents/WebServer/Documents/piwik/index.php:51]