fixed destroy scenario error when Settings are not set
fixed destroy scenario error when Settings are not set

edurange/edurange-server,donkey-hotei/edurange,donkey-hotei/edurange,donkey-hotei/edurange,edurange/edurange-server,edurange/edurange,edurange/edurange-server,donkey-hotei/edurange,edurange/edurange,edurange/edurange-server,edurange/edurange,edurange/edurange