Warning: Constant DIR_DB_CACHE already defined in /customers/a/1/3/knivsberg.dk/httpd.www/includes/cache.inc.php on line 11

Fatal error: Uncaught Error: Call to undefined function each() in /customers/a/1/3/knivsberg.dk/httpd.www/lib/Zend/Cache/Backend.php:66
Stack trace:
#0 /customers/a/1/3/knivsberg.dk/httpd.www/lib/Zend/Cache/Backend/File.php(127): Zend_Cache_Backend->__construct(Array)
#1 /customers/a/1/3/knivsberg.dk/httpd.www/lib/Zend/Cache.php(153): Zend_Cache_Backend_File->__construct(Array)
#2 /customers/a/1/3/knivsberg.dk/httpd.www/lib/Zend/Cache.php(94): Zend_Cache::_makeBackend('File', Array, false, false)
#3 /customers/a/1/3/knivsberg.dk/httpd.www/lib/Cache/class.cache.zend.php(70): Zend_Cache::factory('Core', 'File', Array, Array)
#4 /customers/a/1/3/knivsberg.dk/httpd.www/lib/Cache/class.cache.zend.php(42): CacheZend->initZendFileCache()
#5 /customers/a/1/3/knivsberg.dk/httpd.www/lib/Cache/class.cache.php(25): CacheZend->__construct('file', Array)
#6 /customers/a/1/3/knivsberg.dk/httpd.www/includes/cache.inc.php(17): CacheFactory::get('zend_file', Array)
#7 /customers/a/1/3/knivsberg.dk/httpd.www/includes/bootstrap.inc.php(13): include('/customers/a/1/...')
#8 /customers/a/1/3/knivsberg.dk/httpd.www/index.php(5): include('/customers/a/1/...')
#9 {main}
  thrown in /customers/a/1/3/knivsberg.dk/httpd.www/lib/Zend/Cache/Backend.php on line 66