Revision 274107ba4fa3042dee2d0b6ef4459e7586b93f96

Committed on 08/03/2016 8:16 am by EAB Development Team <xian@eab.co.uk> [GitHub Diff]

Tolerate bad main location Ids

Strange, some content is found that does not have a main location Id.
Don't let it crash the controller.