"Sebastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org> writes:
> Since the last pull I made, I can't expand anymore BBDB aliases in
> Gnus...  because of Org!
> Debugger entered--Lisp error: (error "Lisp nesting exceeds `max-lisp-eval-depth'")

It looks like this is orgstruct-mode and yas-snippet both hijacking the
TAB key and ultimately falling back to each other.  Could you please
give master + this patch a try?