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session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /var/www/web4/html/piwik.wwwworking.de/libs/Zend/Config.php:184) 
in '/var/www/web4/html/piwik.wwwworking.de/index.php' at the line 46

#0  Piwik_ErrorHandler(2, session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /var/www/web4/html/piwik.wwwworking.de/libs/Zend/Config.php:184), /var/www/web4/html/piwik.wwwworking.de/index.php, 46, Array ([GLOBALS] => Array ( *RECURSION*,[_ENV] => Array ([DOCUMENT_ROOT] => /var/www/web4/html/piwik.wwwworking.de,[GATEWAY_INTERFACE] => CGI/1.1,[HTTP_ACCEPT] => text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5,[HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7,[HTTP_ACCEPT_ENCODING] => gzip,[HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5,[HTTP_CACHE_CONTROL] => no-cache,[HTTP_CONNECTION] => close,[HTTP_HOST] => piwik.wwwworking.de,[HTTP_PRAGMA] => no-cache,[HTTP_USER_AGENT] => CCBot/1.0 (+http://www.commoncrawl.org/bot.html),[HTTP_X_CC_ID] => ccc04-01,[PATH] => /bin,[PHPRC] => /etc/apache2/confixx_phpini/web4/14,[QUERY_STRING] => ,[REDIRECT_STATUS] => 200,[REMOTE_ADDR] => 38.107.179.239,[REMOTE_PORT] => 41634,[REQUEST_METHOD] => GET,[REQUEST_URI] => /,[SCRIPT_FILENAME] => /var/www/web4/html/piwik.wwwworking.de/index.php,[SCRIPT_NAME] => /index.php,[SERVER_ADDR] => 84.201.5.252,[SERVER_ADMIN] => [no address given],[SERVER_NAME] => piwik.wwwworking.de,[SERVER_PORT] => 80,[SERVER_PROTOCOL] => HTTP/1.1,[SERVER_SIGNATURE] => 
Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o Server at piwik.wwwworking.de Port 80
,[SERVER_SOFTWARE] => Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o),[HTTP_ENV_VARS] => Array ([DOCUMENT_ROOT] => /var/www/web4/html/piwik.wwwworking.de,[GATEWAY_INTERFACE] => CGI/1.1,[HTTP_ACCEPT] => text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5,[HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7,[HTTP_ACCEPT_ENCODING] => gzip,[HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5,[HTTP_CACHE_CONTROL] => no-cache,[HTTP_CONNECTION] => close,[HTTP_HOST] => piwik.wwwworking.de,[HTTP_PRAGMA] => no-cache,[HTTP_USER_AGENT] => CCBot/1.0 (+http://www.commoncrawl.org/bot.html),[HTTP_X_CC_ID] => ccc04-01,[PATH] => /bin,[PHPRC] => /etc/apache2/confixx_phpini/web4/14,[QUERY_STRING] => ,[REDIRECT_STATUS] => 200,[REMOTE_ADDR] => 38.107.179.239,[REMOTE_PORT] => 41634,[REQUEST_METHOD] => GET,[REQUEST_URI] => /,[SCRIPT_FILENAME] => /var/www/web4/html/piwik.wwwworking.de/index.php,[SCRIPT_NAME] => /index.php,[SERVER_ADDR] => 84.201.5.252,[SERVER_ADMIN] => [no address given],[SERVER_NAME] => piwik.wwwworking.de,[SERVER_PORT] => 80,[SERVER_PROTOCOL] => HTTP/1.1,[SERVER_SIGNATURE] =>
Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o Server at piwik.wwwworking.de Port 80
,[SERVER_SOFTWARE] => Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o),[_POST] => Array (),[HTTP_POST_VARS] => Array (),[_GET] => Array (),[HTTP_GET_VARS] => Array (),[_COOKIE] => Array (),[HTTP_COOKIE_VARS] => Array (),[_SERVER] => Array ([DOCUMENT_ROOT] => /var/www/web4/html/piwik.wwwworking.de,[GATEWAY_INTERFACE] => CGI/1.1,[HTTP_ACCEPT] => text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5,[HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7,[HTTP_ACCEPT_ENCODING] => gzip,[HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5,[HTTP_CACHE_CONTROL] => no-cache,[HTTP_CONNECTION] => close,[HTTP_HOST] => piwik.wwwworking.de,[HTTP_PRAGMA] => no-cache,[HTTP_USER_AGENT] => CCBot/1.0 (+http://www.commoncrawl.org/bot.html),[HTTP_X_CC_ID] => ccc04-01,[PATH] => /bin,[PHPRC] => /etc/apache2/confixx_phpini/web4/14,[QUERY_STRING] => ,[REDIRECT_STATUS] => 200,[REMOTE_ADDR] => 38.107.179.239,[REMOTE_PORT] => 41634,[REQUEST_METHOD] => GET,[REQUEST_URI] => /,[SCRIPT_FILENAME] => /var/www/web4/html/piwik.wwwworking.de/index.php,[SCRIPT_NAME] => /index.php,[SERVER_ADDR] => 84.201.5.252,[SERVER_ADMIN] => [no address given],[SERVER_NAME] => piwik.wwwworking.de,[SERVER_PORT] => 80,[SERVER_PROTOCOL] => HTTP/1.1,[SERVER_SIGNATURE] =>
Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o Server at piwik.wwwworking.de Port 80
,[SERVER_SOFTWARE] => Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o,[PHP_SELF] => /index.php,[REQUEST_TIME] => 1337372685,[argv] => Array (),[argc] => 0),[HTTP_SERVER_VARS] => Array ([DOCUMENT_ROOT] => /var/www/web4/html/piwik.wwwworking.de,[GATEWAY_INTERFACE] => CGI/1.1,[HTTP_ACCEPT] => text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5,[HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7,[HTTP_ACCEPT_ENCODING] => gzip,[HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5,[HTTP_CACHE_CONTROL] => no-cache,[HTTP_CONNECTION] => close,[HTTP_HOST] => piwik.wwwworking.de,[HTTP_PRAGMA] => no-cache,[HTTP_USER_AGENT] => CCBot/1.0 (+http://www.commoncrawl.org/bot.html),[HTTP_X_CC_ID] => ccc04-01,[PATH] => /bin,[PHPRC] => /etc/apache2/confixx_phpini/web4/14,[QUERY_STRING] => ,[REDIRECT_STATUS] => 200,[REMOTE_ADDR] => 38.107.179.239,[REMOTE_PORT] => 41634,[REQUEST_METHOD] => GET,[REQUEST_URI] => /,[SCRIPT_FILENAME] => /var/www/web4/html/piwik.wwwworking.de/index.php,[SCRIPT_NAME] => /index.php,[SERVER_ADDR] => 84.201.5.252,[SERVER_ADMIN] => [no address given],[SERVER_NAME] => piwik.wwwworking.de,[SERVER_PORT] => 80,[SERVER_PROTOCOL] => HTTP/1.1,[SERVER_SIGNATURE] =>
Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o Server at piwik.wwwworking.de Port 80
,[SERVER_SOFTWARE] => Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o,[PHP_SELF] => /index.php,[REQUEST_TIME] => 1337372685,[argv] => Array (),[argc] => 0),[_FILES] => Array (),[HTTP_POST_FILES] => Array (),[_REQUEST] => Array (),[piwik_minimumPhpVersion] => 5.1.3,[piwik_currentVersion] => 5.3.3-7+squeeze9,[piwik_zend_compatibility_mode] => ,[_Event_Dispatcher] => Array ([NotificationClass] => Event_Notification),[HTTP_SESSION_VARS] => Array (),[_SESSION] => Array ())) #1 session_start() called at [/var/www/web4/html/piwik.wwwworking.de/index.php:46]