The TopLevelReference should be a reference to the main item in the process. In the attached example
lfsp_jm15_eul_11.sav.xml.txt
the reference is to a ResourcePackage (TypeOfObject) but the ID in the TopLevelReference is c2b23dcd-dde4-413b-93c4-36e64e7ead44 and the ID of the ResourcePackage itself is 723e856b-9f4f-4cd0-861b-f3cebb1f8612
The TopLevelReference should be a reference to the main item in the process. In the attached example lfsp_jm15_eul_11.sav.xml.txt the reference is to a ResourcePackage (TypeOfObject) but the ID in the TopLevelReference is c2b23dcd-dde4-413b-93c4-36e64e7ead44 and the ID of the ResourcePackage itself is 723e856b-9f4f-4cd0-861b-f3cebb1f8612