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

https://tradesmanelectric.com/electrical-panel-components-explained-the-essentials-you-need-to-know/

The panel's bus stabs need to match breaker type; incompatible breakers can loosen, arc, or stop working, posing fire threats and voiding manufacturer warranties and listings.