officially wanna drive off a bridge

bought the car with a burble tune, then took off the tune, changed exhaust vanos, pre cat O2s, and now this code pops up. are the cats dead are they the post o2s. on a side note my key no longer works if anyone can help with that

bought the car with a burble tune, then took off the tune, changed exhaust vanos, pre cat O2s, and now this code pops up. are the cats dead are they the post o2s. on a side note my key no longer works if anyone can help with that