[RadiusNT] Received unknown attribute 2, vendor 307

Geo. ( (no email) )
Thu, 3 Jun 1999 15:10:15 -0400

I'm getting the error:

Received unknown attribute 2, vendor 307

on our accounting radius server. It appears to be coming from our PM4.
Anyone know what this is and how I can cure it?

Geo.