Can't locate object method "get_tag"

[Richard B. Pyne]

SpamAssassin version 3.3.2 running as spamd called from maiad called form 
postfix on CentOS 6.2 64bit linux.


I am trying to get a new installation of SpamAssassin working am getting this 
error:

spam_scan FAILED: Can't locate object method "get_tag" via package 
"Mail::SpamAssassin::PerMsgStatus" at (eval 69) line 366.

Any help will be greatly appreciated.

--Richard