How can I enable tracking behaviour on scene load?

Hi, I have the most recent version of unity downloaded which integrates vuforia and I keep getting the same problem when I try to activate target databases. it reads “Databases will be automatically loaded and activated if its Tracking behavior is enabled on scene load”
How can I enable tracking behavior on scene load?

I would like to know a solution to this issue as well please.,would like to know the answer as well :\

Do you have the answer to this? Please answer :(,Please answer this question I need to know this too :frowning: