Netiew 7.1.2 on Solaris 8

When I try to add a data collection, the OK button gets disable for some
variables.
I thought that this was the case for variables whose type is "Display
String" only, but I'm trying to start a collection for "Gauge" types of
variables.
The only way around this is to create an expression with the OID and start
a collection on the expression.

Any ideas on why this could be happening.

Jorge A Jiles
Network Analyst
Computing & Network Services
University of Alberta
Edmonton, Alberta
Canada