WARN Piwik\Session[2026-03-23 11:54:54] [e8e76] Unable to start session: Zend_Session::start() - /home/spassvogel/domains/piwik.spassvogel.de/public_html/libs/Zend/Session.php(Line:469): Error #2 session_start(): open(/home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions/sess_f08hub9491sgll99h4erq71qe1, O_RDWR) failed: No space left on device (28) Array/home/spassvogel/domains/piwik.spassvogel.de/public_html/libs/Zend/Session.php(Line:479): Error #2 session_write_close(): open(/home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions/sess_f08hub9491sgll99h4erq71qe1, O_RDWR) failed: No space left on device (28) Array/home/spassvogel/domains/piwik.spassvogel.de/public_html/libs/Zend/Session.php(Line:479): Error #2 session_write_close(): Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions) Array
Piwik › Error
Piwik # Web Analytics

Error: Unable to start session. Please check that the web server has enough permission to write to these files/directories:
For example, on a Linux server if your Apache httpd user is www-data, you can try to execute:
chown -R www-data:www-data /home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions/
chmod -R 0755 /home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions/

If you still experience issues after trying these changes, we recommend that you enable database session storage.

Debug: the original error was 
Zend_Session::start() - /home/spassvogel/domains/piwik.spassvogel.de/public_html/libs/Zend/Session.php(Line:469): Error #2 session_start(): open(/home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions/sess_f08hub9491sgll99h4erq71qe1, O_RDWR) failed: No space left on device (28) Array
/home/spassvogel/domains/piwik.spassvogel.de/public_html/libs/Zend/Session.php(Line:479): Error #2 session_write_close(): open(/home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions/sess_f08hub9491sgll99h4erq71qe1, O_RDWR) failed: No space left on device (28) Array
/home/spassvogel/domains/piwik.spassvogel.de/public_html/libs/Zend/Session.php(Line:479): Error #2 session_write_close(): Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/home/spassvogel/domains/piwik.spassvogel.de/public_html/tmp/sessions) Array

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