[Kiro]

> must be born

There are other reasons as well. I think the more common causes are inclusive vs exclusive comparison errors and fencepost.

[whycome]

> must be born

The spelling is off by one. It's "borne"

[fsckboy]

>The spelling is off by one. It's [not "born" it's] "borne"

the spelling was actually off by e , so you're stilll off by 1.71828...