topic ArcGIS Collector: Parameters cannot be null in ArcGIS Collector Questions https://community.esri.com/t5/arcgis-collector-questions/arcgis-collector-parameters-cannot-be-null/m-p/269459#M4650 <HTML><HEAD></HEAD><BODY><P>I am trying to create a map to play around with in Collector, but I can't seem to get it to download. Every time I try, I get an error message saying: "The map &lt;name&gt; failed to download with the message: Parameters cannot be null". All I have created is a simple point feature class with a name field, which I have set to allow NULL values. If anyone could help me out, that would get greatly be appreciated. </P><P></P><P>Thank you!&nbsp; </P></BODY></HTML> Tue, 12 Jan 2016 15:03:16 GMT EricHeinrichs 2016-01-12T15:03:16Z ArcGIS Collector: Parameters cannot be null https://community.esri.com/t5/arcgis-collector-questions/arcgis-collector-parameters-cannot-be-null/m-p/269459#M4650 <HTML><HEAD></HEAD><BODY><P>I am trying to create a map to play around with in Collector, but I can't seem to get it to download. Every time I try, I get an error message saying: "The map &lt;name&gt; failed to download with the message: Parameters cannot be null". All I have created is a simple point feature class with a name field, which I have set to allow NULL values. If anyone could help me out, that would get greatly be appreciated. </P><P></P><P>Thank you!&nbsp; </P></BODY></HTML> Tue, 12 Jan 2016 15:03:16 GMT https://community.esri.com/t5/arcgis-collector-questions/arcgis-collector-parameters-cannot-be-null/m-p/269459#M4650 EricHeinrichs 2016-01-12T15:03:16Z