We were 'blissfully ignorant''of' the problems that had occurred.
She was 'ignorant' about the dangers of the drug.
They were 'ignorant' [='unaware'] 'of' the facts.
(..) Wow. Isn't that interesting? Wait, please don't.. I know you'll never forgive me. And I don't blame you. I wouldn't forgive me either. It was ignorant, and irresponsible, and small-minded. But predators shouldn't suffer because of my mistakes. I have to fix this. But I can't do it without you. (..)2016 Zootopia