Declaration of Piwik_Event_Notification::increaseNotificationCount() should be compatible with that of Event_Notification::increaseNotificationCount() 
in '/var/www/vhosts/one4one.de/subdomains/stats/httpdocs/core/PluginsManager.php' at the line 509

#0  Piwik_ErrorHandler(2048, Declaration of Piwik_Event_Notification::increaseNotificationCount() should be compatible with that of Event_Notification::increaseNotificationCount(), /var/www/vhosts/one4one.de/subdomains/stats/httpdocs/core/PluginsManager.php, 509, Array ([GLOBALS] => Array ( *RECURSION*,[_POST] => Array (),[_GET] => Array (),[_COOKIE] => Array (),[_FILES] => Array (),[_SERVER] => Array ([HTTP_X_CC_ID] => ccc01-01,[HTTP_HOST] => stats.one4one.de,[HTTP_USER_AGENT] => CCBot/1.0 (+http://www.commoncrawl.org/bot.html),[HTTP_ACCEPT] => text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5,[HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5,[HTTP_ACCEPT_ENCODING] => gzip,[HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7,[HTTP_CONNECTION] => close,[HTTP_CACHE_CONTROL] => no-cache,[HTTP_PRAGMA] => no-cache,[PATH] => /sbin:/usr/sbin:/bin:/usr/bin,[SERVER_SIGNATURE] => 
Apache Server at stats.one4one.de Port 80
,[SERVER_SOFTWARE] => Apache,[SERVER_NAME] => stats.one4one.de,[SERVER_ADDR] => 82.165.146.71,[SERVER_PORT] => 80,[REMOTE_ADDR] => 38.107.179.207,[DOCUMENT_ROOT] => /var/www/vhosts/one4one.de/subdomains/stats/httpdocs,[SERVER_ADMIN] => v.rieke@arcor.de,[SCRIPT_FILENAME] => /var/www/vhosts/one4one.de/subdomains/stats/httpdocs/index.php,[REMOTE_PORT] => 37686,[GATEWAY_INTERFACE] => CGI/1.1,[SERVER_PROTOCOL] => HTTP/1.1,[REQUEST_METHOD] => GET,[QUERY_STRING] => ,[REQUEST_URI] => /,[SCRIPT_NAME] => /index.php,[PHP_SELF] => /index.php,[REQUEST_TIME] => 1327800714),[_REQUEST] => Array (),[_ENV] => Array ([OLD_SYSTEM_USER] => ,[OLD_CGI_SUPPORT] => ,[NEW_APACHE_ERROR_DOCUMENTS] => ,[NEW_FP_ADMIN_LOGIN] => ,[OLD_FP_AUTHORIZATION] => ,[NEW_MOD_FASTCGI_SUPPORT] => ,[NEW_CGI_SUPPORT] => ,[NEW_MOD_PERL_SUPPORT] => ,[NEW_FPSSL_SUPPORT] => ,[NEW_IP_ADDRESS] => ,[NEW_SSI_SUPPORT] => ,[NEW_IPV6_ADDRESS] => ,[NEW_MOD_PYTHON_SUPPORT] => ,[OLD_SYSTEM_SHELL] => ,[OLD_APACHE_ERROR_DOCUMENTS] => ,[OLD_IPV6_ADDRESS] => ,[NEW_APACHE_ASP_SUPPORT] => ,[PHP_FCGI_CHILDREN] => 3,[OLD_DOMAIN_NAME] => ,[NEW_SYSTEM_USER_PASSWORD] => ,[NEW_MIVA_SUPPORT] => ,[OLD_COLDFUSION_SUPPORT] => ,[PATH] => /sbin:/usr/sbin:/bin:/usr/bin,[NEW_SSL_SUPPORT] => ,[OLD_WEB_STATISTICS] => ,[OLD_SSL_SUPPORT] => ,[NEW_SYSTEM_SHELL] => ,[PWD] => /etc/rc.d/init.d,[OLD_FP_ADMIN_LOGIN] => ,[OLD_MOD_PYTHON_SUPPORT] => ,[NEW_SYSTEM_USER] => ,[OLD_FP_ADMIN_PASSWORD] => ,[LANG] => C,[OLD_PHP_SUPPORT] => ,[OLD_SYSTEM_USER_PASSWORD] => ,[NEW_FP_SUPPORT] => ,[NEW_COLDFUSION_SUPPORT] => ,[NEW_DOMAIN_NAME] => ,[OLD_APACHE_ASP_SUPPORT] => ,[PSA_PASSWD] => ,[OLD_HARD_DISK_QUOTA] => ,[OLD_FPSSL_SUPPORT] => ,[NEW_FP_AUTHORIZATION] => ,[OLD_SSI_SUPPORT] => ,[SHLVL] => 3,[NEW_HARD_DISK_QUOTA] => ,[OLD_IP_ADDRESS] => ,[NEW_FP_ADMIN_PASSWORD] => ,[NEW_WEB_STATISTICS] => ,[OLD_FP_SUPPORT] => ,[OLD_MOD_PERL_SUPPORT] => ,[OLD_MOD_FASTCGI_SUPPORT] => ,[NEW_PHP_SUPPORT] => ,[OLD_MIVA_SUPPORT] => ,[PHP_FCGI_MAX_REQUESTS] => 10,[_] => /usr/sbin/httpd),[piwik_minimumPHPVersion] => 5.1.3,[piwik_currentPHPVersion] => 5.2.17,[piwik_zend_compatibility_mode] => ,[_SESSION] => Array (),[_Event_Dispatcher] => Array ([NotificationClass] => Event_Notification))) called at [/var/www/vhosts/one4one.de/subdomains/stats/httpdocs/core/PluginsManager.php:509]
#1  require_once(/var/www/vhosts/one4one.de/subdomains/stats/httpdocs/core/PluginsManager.php) called at [/var/www/vhosts/one4one.de/subdomains/stats/httpdocs/core/FrontController.php:24]
#2  require_once(/var/www/vhosts/one4one.de/subdomains/stats/httpdocs/core/FrontController.php) called at [/var/www/vhosts/one4one.de/subdomains/stats/httpdocs/index.php:47]