...
WARNING(2): "session_start(): open(/var/www/vhosts/blechhilfe.de/shop/cache/sessions//sess_716rak8euo82ta6psk7qqqn3bb, O_RDWR) failed: No space left on device (28)"WARNING(2): "session_start(): Failed to read session data: files (path: /var/www/vhosts/blechhilfe.de/shop/cache/sessions/)"WARNING(2): "Cannot modify header information - headers already sent by (output started at /var/www/vhosts/blechhilfe.de/shop/gm/classes/ErrorHandler.php:419)"WARNING(2): "Cannot modify header information - headers already sent by (output started at /var/www/vhosts/blechhilfe.de/shop/gm/classes/ErrorHandler.php:419)"WARNING(2): "Cannot modify header information - headers already sent by (output started at /var/www/vhosts/blechhilfe.de/shop/gm/classes/ErrorHandler.php:419)"WARNING(2): "Cannot modify header information - headers already sent by (output started at /var/www/vhosts/blechhilfe.de/shop/gm/classes/ErrorHandler.php:419)"
