Mine

ERR_ACCESS_DENIED            ERR_FTP_DISABLED             ERR_FTP_UNAVAILABLE          ERR_READ_ERROR               ERR_WRITE_ERROR
ERR_CACHE_ACCESS_DENIED      ERR_FTP_FAILURE              ERR_INVALID_REQ              ERR_READ_TIMEOUT             ERR_ZERO_SIZE_OBJECT
ERR_CACHE_MGR_ACCESS_DENIED  ERR_FTP_FORBIDDEN            ERR_INVALID_RESP             ERR_SHUTTING_DOWN            
ERR_CANNOT_FORWARD           ERR_FTP_NOT_FOUND            ERR_INVALID_URL              ERR_SOCKET_FAILURE
ERR_CONNECT_FAIL             ERR_FTP_PUT_CREATED          ERR_LIFETIME_EXP             ERR_TOO_BIG
ERR_DNS_FAIL                 ERR_FTP_PUT_ERROR            ERR_NO_RELAY                 ERR_UNSUP_REQ
ERR_FORWARDING_DENIED        ERR_FTP_PUT_MODIFIED         ERR_ONLY_IF_CACHED_MISS      ERR_URN_RESOLVE