Regarding this error:x doesn't exist or is not a valid entry for this ruleset and its prerequisites
I created generic properties in "Apol-Data-Details" class. i want this properties to use in "Apol-FW-ApoloIns-Work"class. For this i created a property with single page mode and in page definition i gave "Apol-Data-Details" class.After this i tried to use this properties in my section which is in "Apol-FW-ApoloIns-Work:" .But i am getting above error.