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Warning: include_once(): Failed opening ‘Zend/Mail/Protocol/Smtp/Auth/LOGIN.php’ for inclusion (include_path=’.:/usr/share/php:/usr/share/pear’) in /var/www/piwik/libs/Zend/Loader.php on line 146
Thank you for your answer. I also had that problem when I updated. I haven’t had any problems until the upgrade, but resaving the settings did the trick.