https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1248393#M5159 <P>I had the same issue at my organization. Its a shame it doesn't give more detail than just - "Unable to Open. Invalid Argument".&nbsp;<BR /><BR />We fixed it by deleting the field maps folder in iOS (make sure there are no other pending edits on any offline enabled maps) and re-installing the application.&nbsp;</P><P>&nbsp;</P> Mon, 16 Jan 2023 03:44:19 GMT gis_KIWI4 2023-01-16T03:44:19Z https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1245747#M5121 <P>Has anybody gotten this error when trying to open a map in Field Maps?&nbsp; For some it opens fine, for others not so much...</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ArmstKP_0-1672944035873.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/59816i9A35E4129521439A/image-size/medium?v=v2&amp;px=400" role="button" title="ArmstKP_0-1672944035873.png" alt="ArmstKP_0-1672944035873.png" /></span></P><P>&nbsp;</P> Thu, 05 Jan 2023 18:52:16 GMT https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1245747#M5121 ArmstKP 2023-01-05T18:52:16Z https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1246041#M5128 <P>I got this error today. Same exact thing. Some maps work but others throw this error. Still trying to sort out the problem.&nbsp;</P> Fri, 06 Jan 2023 15:38:21 GMT https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1246041#M5128 GISUSER6 2023-01-06T15:38:21Z https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1248393#M5159 <P>I had the same issue at my organization. Its a shame it doesn't give more detail than just - "Unable to Open. Invalid Argument".&nbsp;<BR /><BR />We fixed it by deleting the field maps folder in iOS (make sure there are no other pending edits on any offline enabled maps) and re-installing the application.&nbsp;</P><P>&nbsp;</P> Mon, 16 Jan 2023 03:44:19 GMT https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1248393#M5159 gis_KIWI4 2023-01-16T03:44:19Z https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1251867#M5221 <P>the first time I saw this I was still developing the web map, so I just rebuilt it.</P><P>this AM our field staff reported seeing the error; in the office, the map was fine.</P><P>I had field staff delete/reinstall Field Maps and they report it's back in order</P><P>thanks&nbsp;<a href="https://community.esri.com/t5/user/viewprofilepage/user-id/595273">@gis_KIWI4</a> for the tip!</P> Thu, 26 Jan 2023 14:57:18 GMT https://community.esri.com/t5/arcgis-field-maps-questions/unable-to-open-invalid-argument/m-p/1251867#M5221 wilcow 2023-01-26T14:57:18Z