Question

Does anyone know if there is any documentation that describes all the possible exceptions that can be thrown in Cocoa / Cocoa Touch?

I found the Foundation Constants Reference which lists the basic exceptions you might encounter and a brief description of what causes them, e.g.
such as NSInternalInconsistencyException or NSInvalidArgumentException

but I can’t find anything docs for e.g.
UIViewControllerHierarchyInconsistencyException

Answer 1

There’s no such document but a search of the docs for your UIViewControllerHierarchyInconsistencyException example produced a hit inside UIViewController’s API reference, which explains exactly what it is. Not difficult at all.