Piwik › Error

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Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in /var/www/web104/html/piwik/libs/Zend/Session.php on line 205

Backtrace -->

#0  Piwik\Error::errorHandler(...) called at [:]

#1  ini_set(...) called at [/var/www/web104/html/piwik/libs/Zend/Session.php:205]

#2  Zend_Session::setOptions(...) called at [/var/www/web104/html/piwik/libs/Zend/Session.php:429]

#3  Zend_Session::start(...) called at [/var/www/web104/html/piwik/libs/Zend/Session/Namespace.php:143]

#4  Zend_Session_Namespace->__construct(...) called at [/var/www/web104/html/piwik/core/Session/SessionNamespace.php:31]

#5  Piwik\Session\SessionNamespace->__construct(...) called at [/var/www/web104/html/piwik/core/Nonce.php:39]

#6  Piwik\Nonce::getNonce(...) called at [/var/www/web104/html/piwik/plugins/CoreAdminHome/Controller.php:264]

#7  Piwik\Plugins\CoreAdminHome\Controller->optOut(...) called at [:]

#8  call_user_func_array(...) called at [/var/www/web104/html/piwik/core/FrontController.php:577]

#9  Piwik\FrontController->doDispatch(...) called at [/var/www/web104/html/piwik/core/FrontController.php:86]

#10  Piwik\FrontController->dispatch(...) called at [/var/www/web104/html/piwik/core/dispatch.php:34]

#11  require_once(...) called at [/var/www/web104/html/piwik/index.php:46]

# Web Analytics

Session must be started before any output has been sent to the browser; output started in /var/www/web104/html/piwik/libs/upgradephp/upgrade.php/180

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