Warning: session_start(): open(/var/lib/php5/sess_s84ivck221ic0o57fv3u35si56, O_RDWR) failed: Файловая система доступна только для чтения (30) in /var/www/edumetrology/engine/modules/session/Session.class.php on line 102

Fatal error: Uncaught exception 'Zend_Cache_Exception' with message 'cache_dir is not writable' in /var/www/edumetrology/engine/lib/external/DklabCache/Zend/Cache.php:141
Stack trace:
#0 /var/www/edumetrology/engine/lib/external/DklabCache/Zend/Cache/Backend/File.php(149): Zend_Cache::throwException('cache_dir is no...')
#1 /var/www/edumetrology/engine/lib/external/DklabCache/Zend/Cache/Backend/File.php(121): Zend_Cache_Backend_File->setCacheDir('/var/www/edumet...')
#2 /var/www/edumetrology/engine/modules/cache/Cache.class.php(149): Zend_Cache_Backend_File->__construct(Array)
#3 /var/www/edumetrology/engine/classes/Engine.class.php(320): ModuleCache->Init()
#4 /var/www/edumetrology/engine/classes/Engine.class.php(384): Engine->InitModule(Object(ModuleCache))
#5 /var/www/edumetrology/engine/classes/Engine.class.php(403): Engine->LoadModule('ModuleCache')
#6 /var/www/edumetrology/engine/classes/Engine.class.php(246): Engine->LoadModules()
#7 /var/www/edumetrology/engine/classes/Router.class.php(125): Engine->Init()
#8 /var in /var/www/edumetrology/engine/lib/external/DklabCache/Zend/Cache.php on line 141

Warning: Unknown: open(/var/lib/php5/sess_s84ivck221ic0o57fv3u35si56, O_RDWR) failed: Read-only file system (30) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php5) in Unknown on line 0