Quote Originally Posted by MrStabby View Post
Yup. Had that happen at my table once. Caused some... consternation. We spent quite some time checking the book and the errata at the time. Concluded that the rules said they would lose spell slots, but also screw the rules. Followed the rules from the level after so nothing was actually taken away, just slower progression.
Man If MCing makes your slots drop, I just rule they dont. They just worded that poorly or missed that it can make them go down.