Main Menu disappearing.  #180

Element cannot be a parent of

Could not find the parent element 'preferences_submenu' for 'set_external_editor'.
Cannot set order: element 'set_external_editor' has no parent.
Cannot set order: element 'set_external_editor' has no parent.
Element cannot be a parent of
Cannot find element 'recent_files' needed for ordering of 'open_crashfile'.
Error while parsing a menu definition file
'/rel/packages/houdini/16.5.739/ext/houdini/MainMenuCommon.xml':
Element cannot be a parent of
ERROR: /rel/packages/houdini/16.5.739/ext/houdini/config/Applications/MasterApp.ui (0): Variable "mainMenuBar" not defined.