Can't get filling percentage

#0 /web/prod/lubimchik.ru/public/lib/Zend/Cache/Backend/Memcached.php(403): Zend_Cache::throwException('Can't get filli...')
#1 /web/prod/lubimchik.ru/public/lib/Zend/Cache/Backend/TwoLevels.php(518): Zend_Cache_Backend_Memcached->getFillingPercentage()
#2 /web/prod/lubimchik.ru/public/lib/Zend/Cache/Backend/TwoLevels.php(192): Zend_Cache_Backend_TwoLevels->_getFastFillingPercentage('saving')
#3 /web/prod/lubimchik.ru/public/lib/Zend/Cache/Core.php(390): Zend_Cache_Backend_TwoLevels->save('a:5:{i:0;a:7:{s...', '77d_APP_CA32EFE...', Array, false)
#4 /web/prod/lubimchik.ru/public/lib/Varien/Cache/Core.php(145): Zend_Cache_Core->save('a:5:{i:0;a:7:{s...', 'APP_CA32EFE73E9...', Array, false, 8)
#5 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/Cache.php(403): Varien_Cache_Core->save('a:5:{i:0;a:7:{s...', 'APP_CA32EFE73E9...', Array, false)
#6 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/App.php(1147): Mage_Core_Model_Cache->save('a:5:{i:0;a:7:{s...', 'app_ca32efe73e9...', Array, false)
#7 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/Resource/Db/Collection/Abstract.php(688): Mage_Core_Model_App->saveCache('a:5:{i:0;a:7:{s...', 'app_ca32efe73e9...', Array)
#8 /web/prod/lubimchik.ru/public/lib/Varien/Data/Collection/Db.php(731): Mage_Core_Model_Resource_Db_Collection_Abstract->_saveCache(Array, 'SELECT `main_ta...')
#9 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/Resource/Db/Collection/Abstract.php(521): Varien_Data_Collection_Db->_fetchAll('SELECT `main_ta...', Array)
#10 /web/prod/lubimchik.ru/public/lib/Varien/Data/Collection/Db.php(566): Mage_Core_Model_Resource_Db_Collection_Abstract->getData()
#11 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/Resource/Store/Collection.php(174): Varien_Data_Collection_Db->load(false, false)
#12 /web/prod/lubimchik.ru/public/lib/Varien/Data/Collection.php(752): Mage_Core_Model_Resource_Store_Collection->load()
#13 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/App.php(624): Varien_Data_Collection->count()
#14 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/App.php(466): Mage_Core_Model_App->_initStores()
#15 /web/prod/lubimchik.ru/public/app/code/core/Mage/Core/Model/App.php(349): Mage_Core_Model_App->_initCurrentStore('moscow', 'store')
#16 /web/prod/lubimchik.ru/public/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#17 /web/prod/lubimchik.ru/public/index.php(92): Mage::run('moscow', 'store')
#18 {main}