https://community.esri.com/t5/arcgis-data-interoperability-ques/how-to-use-truncate-existing-using-the-esri-arcgis/m-p/1677035#M418 <P>Tom please open a support call and we'll look into this.&nbsp; It seems like it should work.</P> Fri, 09 Jan 2026 13:32:03 GMT BruceHarold 2026-01-09T13:32:03Z https://community.esri.com/t5/arcgis-data-interoperability-ques/how-to-use-truncate-existing-using-the-esri-arcgis/m-p/1677005#M417 <P>I have been using the prior version of ArcGIS Connector v3.16.0 to write and update my data on an Enterprise portal, and after the upgrade to v3.16.0 the&nbsp;<SPAN>Esri ArcGIS Feature Service</SPAN> writers still work.<BR /><BR />However, all new&nbsp;<SPAN>Esri ArcGIS Feature Service writers with the same parameter settings do not work when trying to truncate the data in the Feature Services.<BR />The first screenshot shows the writer parameters that do allow me to truncate the FeatureService in question.<BR />The second screenshot show the parameters of the writer where I cannot truncate the data.</SPAN></P><P><SPAN><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="settings_working.png" style="width: 416px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/146600iE0968674E8364639/image-size/large?v=v2&amp;px=999" role="button" title="settings_working.png" alt="settings_working.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="settings_not_working.png" style="width: 402px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/146601i5E4CB8ADAF8810FC/image-size/large?v=v2&amp;px=999" role="button" title="settings_not_working.png" alt="settings_not_working.png" /></span><BR /></SPAN></P><P>The error messages I am getting are<BR /><BR />ArcGISFeatureServiceWriter: Cannot create or overwrite Feature Service 'Ivy1_219033077_heatmap': feature type 'Ivy1_219033077' is set to 'INSERT' mode. All feature types must be in INSERT mode and not set to Truncate<BR /><BR />Python Exception &lt;FormatException&gt;: FMEException: 1: ARCGISFEATURESERVICE: Cannot create or overwrite Feature Service 'Ivy1_219033077_heatmap': feature type 'Ivy1_219033077' is set to 'INSERT' mode. All feature types must be in INSERT mode and not set to Truncate</P><P>&nbsp;</P><P>What settings do I have to adjust and to what values to be able to truncate my data?</P> Fri, 09 Jan 2026 10:53:36 GMT https://community.esri.com/t5/arcgis-data-interoperability-ques/how-to-use-truncate-existing-using-the-esri-arcgis/m-p/1677005#M417 TomGeo 2026-01-09T10:53:36Z https://community.esri.com/t5/arcgis-data-interoperability-ques/how-to-use-truncate-existing-using-the-esri-arcgis/m-p/1677035#M418 <P>Tom please open a support call and we'll look into this.&nbsp; It seems like it should work.</P> Fri, 09 Jan 2026 13:32:03 GMT https://community.esri.com/t5/arcgis-data-interoperability-ques/how-to-use-truncate-existing-using-the-esri-arcgis/m-p/1677035#M418 BruceHarold 2026-01-09T13:32:03Z https://community.esri.com/t5/arcgis-data-interoperability-ques/how-to-use-truncate-existing-using-the-esri-arcgis/m-p/1677057#M419 <P>Done!&nbsp;<span class="lia-unicode-emoji" title=":smiling_face_with_smiling_eyes:">😊</span></P> Fri, 09 Jan 2026 14:50:29 GMT https://community.esri.com/t5/arcgis-data-interoperability-ques/how-to-use-truncate-existing-using-the-esri-arcgis/m-p/1677057#M419 TomGeo 2026-01-09T14:50:29Z