The panel's bus stabs need to match breaker type; incompatible breakers can loosen, arc, or stop working

https://eduardoadwj723.summitquill.com/posts/how-to-recognize-your-electrical-panel-type-and-rating

The panel's bus stabs need to match breaker type; incompatible breakers can loosen, arc, or fail, positioning fire dangers and voiding producer service warranties and listings.