[Bro] RPC; mismatch with tag analyzer::Component error in NFS ANALYZER_NFS

[ps sunu]

Hi ,

                  I Started doing nfs ANALYZER .bro script in bro 2.5
 script , i the first script  i am getting below error


*const ports = {111/tcp, 111/udp, 747/udp, 759/tcp, 762/udp, 764/tcp,*
*2049/udp};*
*redef likely_server_ports += {ports};*

*event bro_init() &priority=5*
*    {*
*    Analyzer::register_for_ports(Analyzer::ANALYZER_NFS, ports);*
*    }*

*event  nfs_proc_getattr(c: connection, info: NFS3::info_t, fh: string,**attrs:
NFS3::fattr_t){*
*   print c;*
*}*

and  am getting below error

944207397.280000 internal error: unknown analyzer name RPC; mismatch with
tag analyzer::Component?
Aborted (core dumped)

Regards,
Sunu
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