Warning: mkdir() [function.mkdir]: No such file or directory in /var/www/html/includes/zendCache.php on line 19

Fatal error: Uncaught exception 'Zend_Cache_Exception' with message 'cache_dir must be a directory' in /var/www/html/includes/ZendFramework-1.6.2/library/Zend/Cache.php:165 Stack trace: #0 /var/www/html/includes/ZendFramework-1.6.2/library/Zend/Cache/Backend/File.php(146): Zend_Cache::throwException('cache_dir must ...') #1 /var/www/html/includes/ZendFramework-1.6.2/library/Zend/Cache/Backend/File.php(121): Zend_Cache_Backend_File->setCacheDir('/var/www/zcache...') #2 /var/www/html/includes/ZendFramework-1.6.2/library/Zend/Cache.php(148): Zend_Cache_Backend_File->__construct(Array) #3 /var/www/html/includes/zendCache.php(30): Zend_Cache::factory('Core', 'File', Array, Array) #4 /var/www/html/includes/zendCache.php(69): getCacheObj() #5 /var/www/html/lyrics.php(17): loadArtistXml(84600, 'N/Nine/') #6 {main} thrown in /var/www/html/includes/ZendFramework-1.6.2/library/Zend/Cache.php on line 165