https://community.appian.com/discussions/f/process/24442/process-instance-does-not-existI discovered this issue because I found out a query into a task report wasn&#39;t returning some expected data. I took a look at the report itself, and the data was missing from there, so it wasn&#39;t a problem with the query. I went through the process modelsen-USTelligent Community 12https://community.appian.com/thread/94325?ContentTypeID=1Thu, 28 Apr 2022 23:32:49 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:075f407a-2643-4caf-ad85-9f5239ea2adaNaresh<p>Hi,</p> <p>This process might be deleted due to the configuration of data management archival or delete settings. You can find data management configuration in process properties.&nbsp; &nbsp;</p> <p><img src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/14/pastedimage1651188764133v1.png" alt=" " /></p> <p>Open your process model check your configuration.</p><div style="clear:both;"></div>