[rules-users] 4.0.M1 JBoss Rules IDE - Unknown error

I am getting the following error and I have no way of trackign down where it is occurring and how to correct it: Severity and Description Path Resource Location Creation Time Id Trying to create a restriction for an empty restriction list RtvDecisionEngine/src/rules/com/circuitcity/rtvcrms/rules rtv.drl Unknown 1184614547431 82053