Issue #3161212 by joseph.olstad, acbramley, asubit, eduardo morales alberti,...
Issue #3161212 by joseph.olstad, acbramley, asubit, eduardo morales alberti, sandeepsingh199, berdir, catch: Node add/edit gives a Call to a member function getAccountName() on null when author is NULL
(cherry picked from commit ca57f212)