I attempted to create a recovery code on my ipad. I tried bout 5 different codes, and I could never get them to verify. I had to enable/verify the recovery code

I attempted to create a recovery code on my ipad. I tried bout 5 different codes, and I could never get them to verify. I had to enable/verify the recovery code on my macbook, after which it worked first attempt. Something's up with the ipadOS/iOS versions.