openssl unable报错

ca \-cert C:/Users/Administrator/newreq.pem \-config d:/wamp/bin/apache/apache2.4.9/conf/openssl.cnf \-keyfile C:/Users/Administrator/server.key \-out newcert.pem

报错

OpenSSL> ca \>-cert C:/Users/Administrator/newreq.pem \>-config d:/wamp/bin/apache/apache2.4.9/conf/openssl.cnf \>-keyfile C:/Users/Administrator/server.key \>-out newcert.pemUsing configuration from d:/wamp/bin/apache/apache2.4.9/conf/openssl.cnfLoading 'screen' into random state - doneEnter pass phrase for C:/Users/Administrator/server.key:unable to load certificate13888:error:0906D06C:PEM routines:PEM_read_bio:no start line:.\crypto\pem\pem_lib.c:703:Expecting: TRUSTED CERTIFICATEerror in caOpenSSL>