Protect against missing group
Protect against missing group

jon-stumpf/traccar,AnshulJain1985/Roadcast-Tracker,tananaev/traccar,ninioe/traccar,al3x1s/traccar,joseant/traccar-1,tsmgeek/traccar,orcoliver/traccar,joseant/traccar-1,stalien/traccar_test,al3x1s/traccar,duke2906/traccar,5of9/traccar,jssenyange/traccar,orcoliver/traccar,renaudallard/traccar,stalien/traccar_test,orcoliver/traccar,jssenyange/traccar,5of9/traccar,jssenyange/traccar,tananaev/traccar,vipien/traccar,duke2906/traccar,jon-stumpf/traccar,AnshulJain1985/Roadcast-Tracker,vipien/traccar,ninioe/traccar,ninioe/traccar,tsmgeek/traccar,jon-stumpf/traccar,tananaev/traccar,tsmgeek/traccar,renaudallard/traccar