HTTPS Status 500 - Netflow Plugin

I'm receiving the following error after installing NetFlow Plug-In v9700. I'm running version 10100 of OpManager.

Could anyone point me in the correct direction for getting this resolved?

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

java.lang.NullPointerException com.adventnet.npm.NFAAuthFilter.doFilter(NFAAuthFilter.java:246) com.adventnet.netflow.utils.EncodingFilter.doFilter(EncodingFilter.java:67) com.adventnet.iam.security.SecurityFilter.doFilter(SecurityFilter.java:462) com.adventnet.authentication.filter.AssociateCredential.doFilter(AssociateCredential.java:43)

note The full stack trace of the root cause is available in the Apache Tomcat/@VERSION@ logs.