I found a workaround. Jordi mentioned that this can happen if the <id> element in accounts.xml doesn't have a resource -- i.e. foo@bar rather than foo@bar/resource. Adding resources by hand to this file makes it work again.
I found a workaround. Jordi mentioned that this can happen if the <id> element in accounts.xml doesn't have a resource -- i.e. foo@bar rather than foo@bar/resource. Adding resources by hand to this file makes it work again.