Audit all calls to get_acquired_node_of_type() to log when it fails
get_acquired_node_of_type() takes an
Option<&str> with the URI to be referenced. This makes it hard to distinguish whether it is OK to not have a reference, or when the provided reference was not found.
Maybe we should make that function take a
&str, not an
Also, we should log in all cases where the referenced element is not found.