After signing for the Root and Intermediate CA. when i try to sign a server_cert the following error displayed. any help?

Can't open /root/ca/intermediate/index.txt.attr for reading, No such file or directory
140101255898368:error:02001002:system library:fopen:No such file or directory:../crypto/bio/bss_file.c:74:fopen('/root/ca/intermediate/index.txt.attr','r')
140101255898368:error:2006D080:BIO routines:BIO_new_file:no such file:../crypto/bio/bss_file.c:81:
Error Loading extension section server_cert
140101255898368:error:0E06D06C:configuration file routines:NCONF_get_string:no value:../crypto/conf/conf_lib.c:275:group=CA_default name=email_in_dn
140101255898368:error:22097082:X509 V3 routines:do_ext_nconf:unknown extension name:../crypto/x509v3/v3_conf.c:78:
140101255898368:error:22098080:X509 V3 routines:X509V3_EXT_nconf:error in extension:../crypto/x509v3/v3_conf.c:47:name=nsCertsType, value=server

Can you provide the entire openssl command line? -- FYIcenter.com