There was a failure in the NFS server's acquisition of Kerberos Ticket. This message is issued when NFS is configured to require Kerberos (that is, system authentication (AUTH_SYS) is not allowed).

In the message text:

procName

The name of the failing API. For details, refer to z/OS Integrated Security Services Network Authentication Service Programming.

krbRc

The error code returned by the Kerberos Security Mechanism. For details, refer to z/OS Integrated Security Services Network Authentication Service Administration.