topic Map Download Failure: 'nt nm.c()' in ArcGIS Collector Questions https://community.esri.com/t5/arcgis-collector-questions/map-download-failure-nt-nm-c/m-p/251697#M4326 <HTML><HEAD></HEAD><BODY><P>When I attempt to download one of my Collector maps for offline use I get the following failure message: "Attempt to invoke virtual method 'nt nm.c()' on a null object reference.&nbsp; Any ideas?</P></BODY></HTML> Wed, 20 Sep 2017 15:27:25 GMT MarkBushyeager 2017-09-20T15:27:25Z Map Download Failure: 'nt nm.c()' https://community.esri.com/t5/arcgis-collector-questions/map-download-failure-nt-nm-c/m-p/251697#M4326 <HTML><HEAD></HEAD><BODY><P>When I attempt to download one of my Collector maps for offline use I get the following failure message: "Attempt to invoke virtual method 'nt nm.c()' on a null object reference.&nbsp; Any ideas?</P></BODY></HTML> Wed, 20 Sep 2017 15:27:25 GMT https://community.esri.com/t5/arcgis-collector-questions/map-download-failure-nt-nm-c/m-p/251697#M4326 MarkBushyeager 2017-09-20T15:27:25Z