https://community.esri.com/t5/arcgis-field-maps-questions/issues-since-the-latest-update/m-p/1706670#M12761 <P>Field Maps have been acting odd since I started noticing the changes from the new update.</P><P>There seems to be more restrictions on field entering, offline map download size...</P><P>Earlier I had trouble downloading a layer to the map and the log showed "error code 21 invalid json" but in fact it was for the size of the download. I disabled attachment download and used a local basemap from the device and the maps downloaded successfully. Not sure what the code 21 was really about.</P><P>Right now I'm experiencing not being able to insert a new record on a mobile device from "The form contains unsupported data" while I'm not too sure what the unsupported data is.</P><P>In fact I deleted the form items one by one and saved to map to see what was causing the problem and I it was still letting me add anything when I only had the last form item left (it's just an integer switch).</P><P>These seem to be new issues that I haven't encountered before.</P><P>Has anyone else noticed any odd behaviours from Field Maps recently?</P> Fri, 05 Jun 2026 20:41:02 GMT RuimengPang 2026-06-05T20:41:02Z https://community.esri.com/t5/arcgis-field-maps-questions/issues-since-the-latest-update/m-p/1706670#M12761 <P>Field Maps have been acting odd since I started noticing the changes from the new update.</P><P>There seems to be more restrictions on field entering, offline map download size...</P><P>Earlier I had trouble downloading a layer to the map and the log showed "error code 21 invalid json" but in fact it was for the size of the download. I disabled attachment download and used a local basemap from the device and the maps downloaded successfully. Not sure what the code 21 was really about.</P><P>Right now I'm experiencing not being able to insert a new record on a mobile device from "The form contains unsupported data" while I'm not too sure what the unsupported data is.</P><P>In fact I deleted the form items one by one and saved to map to see what was causing the problem and I it was still letting me add anything when I only had the last form item left (it's just an integer switch).</P><P>These seem to be new issues that I haven't encountered before.</P><P>Has anyone else noticed any odd behaviours from Field Maps recently?</P> Fri, 05 Jun 2026 20:41:02 GMT https://community.esri.com/t5/arcgis-field-maps-questions/issues-since-the-latest-update/m-p/1706670#M12761 RuimengPang 2026-06-05T20:41:02Z