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

https://emiliotezc638.halcyonledger.com/posts/electrical-panel-vs.-fuse-box-what-s-the-distinction

The panel's bus stabs need to match breaker type; incompatible breakers can loosen up, arc, or fail, posturing fire risks and voiding maker service warranties and listings.