Can't get filling percentage

#0 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Zend/Cache/Backend/Memcached.php(403): Zend_Cache::throwException('Can't get filli...')
#1 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Zend/Cache/Backend/TwoLevels.php(518): Zend_Cache_Backend_Memcached->getFillingPercentage()
#2 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Zend/Cache/Backend/TwoLevels.php(192): Zend_Cache_Backend_TwoLevels->_getFastFillingPercentage('saving')
#3 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Zend/Cache/Core.php(390): Zend_Cache_Backend_TwoLevels->save('a:4:{i:0;a:7:{s...', '3d5_APP_4E4ABDD...', Array, false)
#4 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Varien/Cache/Core.php(74): Zend_Cache_Core->save('a:4:{i:0;a:7:{s...', 'APP_4E4ABDD8DC0...', Array, false, 8)
#5 /chroot/home/greenbox/wheatpaste.com/html/store/app/code/core/Mage/Core/Model/Cache.php(357): Varien_Cache_Core->save('a:4:{i:0;a:7:{s...', 'APP_4E4ABDD8DC0...', Array, false)
#6 /chroot/home/greenbox/wheatpaste.com/html/store/app/code/core/Mage/Core/Model/App.php(1099): Mage_Core_Model_Cache->save('a:4:{i:0;a:7:{s...', 'app_4e4abdd8dc0...', Array, false)
#7 /chroot/home/greenbox/wheatpaste.com/html/store/app/code/core/Mage/Core/Model/Mysql4/Collection/Abstract.php(594): Mage_Core_Model_App->saveCache('a:4:{i:0;a:7:{s...', 'app_4e4abdd8dc0...', Array)
#8 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Varien/Data/Collection/Db.php(778): Mage_Core_Model_Mysql4_Collection_Abstract->_saveCache(Array, Object(Varien_Db_Select))
#9 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Varien/Data/Collection/Db.php(694): Varien_Data_Collection_Db->_fetchAll(Object(Varien_Db_Select))
#10 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Varien/Data/Collection/Db.php(615): Varien_Data_Collection_Db->getData()
#11 /chroot/home/greenbox/wheatpaste.com/html/store/app/code/core/Mage/Core/Model/Mysql4/Store/Collection.php(135): Varien_Data_Collection_Db->load(false, false)
#12 /chroot/home/greenbox/wheatpaste.com/html/store/lib/Varien/Data/Collection.php(738): Mage_Core_Model_Mysql4_Store_Collection->load()
#13 /chroot/home/greenbox/wheatpaste.com/html/store/app/code/core/Mage/Core/Model/App.php(579): Varien_Data_Collection->count()
#14 /chroot/home/greenbox/wheatpaste.com/html/store/app/code/core/Mage/Core/Model/App.php(427): Mage_Core_Model_App->_initStores()
#15 /chroot/home/greenbox/wheatpaste.com/html/store/app/code/core/Mage/Core/Model/App.php(333): Mage_Core_Model_App->_initCurrentStore('oopsydaisy', 'store')
#16 /chroot/home/greenbox/wheatpaste.com/html/store/app/Mage.php(625): Mage_Core_Model_App->run(Array)
#17 /chroot/home/greenbox/wheatpaste.com/html/store/index.php(106): Mage::run('oopsydaisy', 'store')
#18 {main}